Panasonic RP-HD305B User manual

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Owner’s Manual
Digital Wireless Stereo Headphones
Model No. RP-HD305B
Thank you for purchasing this product.
Please read these instructions carefully before using this product, and save this manual for future use.
TQBM0497
until
2017/9/7

2
IMPORTANT SAFETY
INSTRUCTIONS
Read these operating instructions carefully before using the unit. Follow the safety instructions on the unit and
the applicable safety instructions listed below. Keep these operating instructions handy for future reference.
1 Read these instructions.
2 Keep these instructions.
3 Heed all warnings.
4 Follow all instructions.
5 Do not use this apparatus near water.
6 Clean only with dry cloth.
7 Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8 Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
9 Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide
blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult
an electrician for replacement of the obsolete outlet.
10 Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles,
and the point where they exit from the apparatus.
11 Only use attachments/accessories specified by the manufacturer.
12 Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer,
or sold with the apparatus. When a cart is used, use caution when moving the cart/
apparatus combination to avoid injury from tip-over.
13 Unplug this apparatus during lightning storms or when unused for long periods of
time.
14 Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate
normally, or has been dropped.

3
Safety precautions
A lithium ion battery that is recyclable powers the product you have purchased.
Please call 1-800-8-BATTERY for information on how to recycle this battery.
This device complies with part 15 of FCC Rules and Innovation, Science and Economic Development
Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired
operation.
FCC ID: ACJ-RP-HD305B
Model: RP-HD305B
IC : 216A-RPHD305B
This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter.
This equipment complies with FCC/ISED radiation exposure limits set forth for an uncontrolled environment
and meets the FCC radio frequency (RF) Exposure Guidelines and RSS-102 of the ISED radio frequency
(RF) Exposure rules as this equipment has very low levels of RF energy.
THE FOLLOWING APPLIES ONLY IN THE U.S.A.
FCC Note:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Any unauthorized changes or modifications to this equipment would void the user’s authority to operate this
device.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Suppliers Declaration of Conformity
Trade Name: Panasonic
Model No.: RP-HD305B
Responsible Party: Panasonic Corporation of North America
Two Riverfront Plaza, Newark, NJ 07102-5490
Support Contact: http://shop.panasonic.com/support
THE FOLLOWING APPLIES ONLY IN CANADA.
CAN ICES-3(B)/NMB-3(B)

4
∫Unit
• Avoid using or placing this unit near sources of heat.
• Do not use while operating a motorized vehicle. It may create a traffic hazard and is illegal in many areas.
• Do not listen with this unit at high volume in places where you need to hear sounds from the surrounding
environment for safety, such as at railroad crossings, and construction sites.
• Keep this unit away from something susceptible to the magnetism. Such devices as a clock may not operate
correctly.
∫Allergies
• Discontinue use if you experience discomfort with the ear pads or any other parts that directly contact your
skin.
• Continued use may cause rashes or other allergic reactions.
WARNING:
To reduce the risk of fire, electric shock or product damage,
• Do not expose this unit to rain, moisture, dripping or splashing.
• Do not place objects filled with liquids, such as vases, on this unit.
• Use the recommended accessories.
• Do not remove covers.
• Do not repair this unit by yourself. Refer servicing to qualified service personnel.
Use only the supplied USB charging cord when connecting to a computer.
3123480
CONFORMS TO
UL STD. 60065
CERTIFIED TO CSA STD.
C22.2 NO. 60065
CONFORME À LA NORME CAN/CSA
C22.2 NO. 60065

5
About Bluetooth®
∫Frequency band used
This unit uses the 2.4 GHz frequency band.
∫Certification of this unit
• This unit conforms to frequency restrictions and has received certification based on frequency laws. Thus, a
wireless permit is not necessary.
• The actions below are punishable by law in some countries:
– Taking apart/modifying this unit.
– Removing specification indications.
∫Restrictions of use
• Wireless transmission and/or usage with all Bluetooth® equipped devices is not guaranteed.
• All devices must conform to standards set by Bluetooth SIG, Inc.
• Depending on the specifications and settings of a device, it can fail to connect or some operations can be
different.
• This unit supports Bluetooth® security features. But depending on the operating environment and/or settings,
this security may not be sufficient. Transmit data wirelessly to this unit with caution.
• This unit cannot transmit data to a Bluetooth® device.
∫Range of use
Use this unit at a maximum range of 10 m (33 ft.).
The range can decrease depending on the environment, obstacles or interference.
∫Interference from other devices
• This unit may not function properly and troubles such as noise and sound jumps may arise due to radio wave
interference if this unit is located too close to other Bluetooth® devices or the devices that use the 2.4 GHz
band.
• This unit may not function properly if radio waves from a nearby broadcasting station, etc. is too strong.
∫Intended usage
• This unit is for normal, general use only.
• Do not use this system near an equipment or in an environment that is sensitive to radio frequency
interference (example: airports, hospitals, laboratories, etc).
Panasonic bears no responsibility for data and/or information that is compromised during a wireless
transmission.

6
Table of contents
IMPORTANT SAFETY INSTRUCTIONS .................................................................................................... 2
Safety precautions ...................................................................................................................................... 3
About Bluetooth®......................................................................................................................................... 5
Before use
Accessories................................................................................................................................................. 7
Maintenance................................................................................................................................................ 7
Part names.................................................................................................................................................. 8
Preparation
Charging...................................................................................................................................................... 9
Turning the power on/off ............................................................................................................................. 9
Connecting a Bluetooth® device................................................................................................................ 10
• Pairing (Registration) this unit with the Bluetooth® device for connection ..........................................10
• Connecting a paired Bluetooth® device ...............................................................................................11
Operation
Listening to music ..................................................................................................................................... 12
• Remote controlling.............................................................................................................................. 12
• Selecting the sound mode .................................................................................................................. 13
Making a phone call .................................................................................................................................. 14
Useful functions......................................................................................................................................... 15
• Activating voice functions ................................................................................................................... 15
• Guidance messages........................................................................................................................... 15
• Battery level notification...................................................................................................................... 15
• Auto power off .................................................................................................................................... 15
• Using the detachable cord (supplied) ................................................................................................. 16
• Resetting the unit ............................................................................................................................... 16
Other
Restoring to the factory settings................................................................................................................ 17
Copyright, etc. ........................................................................................................................................... 17
Troubleshooting......................................................................................................................................... 18
• Sound and audio volume.................................................................................................................... 18
• Bluetooth® device connection.............................................................................................................18
• Phone Calls ........................................................................................................................................ 18
• General............................................................................................................................................... 19
• Power supply and charging ................................................................................................................ 19
• Guidance messages........................................................................................................................... 19
Specifications ............................................................................................................................................ 20
To remove the battery when disposing of this unit .................................................................................... 21

Before use
7
Accessories
Please check and identify the supplied accessories.
Only for U.S.A.:
To order accessories, refer to “Limited Warranty (ONLY FOR U.S.A.)” on “Basic Owner’s Manual”.
Only for Canada:
To order accessories, contact the dealer from whom you have made your purchase.
Maintenance
Clean this unit with a dry and soft cloth.
• Do not use solvents including benzine, thinner, alcohol, kitchen detergent, a chemical wiper, etc. This might cause the
exterior case to be deformed or the coating to come off.
Keeping the battery performance.
• During the long period of disuse, full charge this unit once every 6 months to keep the battery performance.
Expressions used in this document
• Pages to be referred to are indicated as “l±±”.
• The product illustrations may differ from the actual product.
1 x USB charging cord
1 x Detachable cord

Before use
8
Part names
*1 Examples of lighting/blinking patterns
*2 Í/I: Standby/ON
*3 The battery is low when it is blinking in red. (l15, “Battery level notification”)
1 Audio input terminal
2 [SOUND] button
3[i] button
4[1/;/ ] button
5[j] button
6 Charging terminal (DC IN)
• Connect the USB charging cord (supplied) to this
terminal when charging. (l9)
7 Power/pairing LED*1
8[Í/I ( )] button*2
9 Microphone
10 Ear pads
11 Raised dot indicating the left side
Lighting (red): Charging is in progress
Lighting alternately in blue and red: Bluetooth® pairing (registration) standby
Blinking slowly (blue)*3: Bluetooth® connection standby
Blinking twice about every 2 seconds
(blue)*3:
A Bluetooth® pairing (registration) has been established or a call is in
progress
Blinking (blue)*3: A call is being received
1
2
3
5
4
6
7
8
9
10
11
Right (R) side

Preparation
9
Charging
The rechargeable battery (installed in the unit) is not charged initially. Charge the battery before using the unit.
Connect this unit to a computer using the
USB charging cord.
• The power/pairing LED lights in red when charging is in
progress. When charging is completed, the power/
pairing LED will go out.
• It takes approx. 5 hours to charge the battery from
empty to full.
Note
• Charge in a room temperature between 10 oC and 35 oC (50 oF and 95 oF). Outside of this temperature range,
charging may stop and the power/pairing LED may go out.
• It is not possible to turn the power on or connect to Bluetooth® devices during charging.
• Do not use any other USB charging cords except the supplied one. Doing so may cause malfunction.
• Charging may not be performed or may stop if the computer is in or switched to standby or sleep mode.
Turning the power on/off
In the power-off state, press and hold [Í/I ( )] of this unit
for approx. 3 seconds until the power/pairing LED (blue)
blinks.
• A beep will sound, and the power/pairing LED (blue) will blink slowly.
∫To turn the power off
Press and hold [Í/I ( )] for approximately 3 seconds. An English
guidance message will be heard, and the power will be turned off.
• It is possible to switch the audio guidance between English and French.
(l15, “Guidance messages”)
Note
• If the unit is not connected to a Bluetooth® device, an English guidance message will be heard and turn off the unit
automatically approximately 5 minutes after you have stopped using it. (l15, “Auto power off”)
• It is possible to switch the audio guidance between English and French. (l15, “Guidance messages”)
A: Power/pairing LED
B: USB charging cord (supplied)
• Check the direction of the terminals and plug in/out
straight holding onto the plug. (It may result in
malfunction by the deforming of the terminal if it is
plugged in obliquely or in wrong direction.)
C: Computer
• Turn on the computer in advance.
A
B
CRight (R)
side
Power/pairing
LED
[Í/I ( )]
Right (R) side

Preparation
10
Connecting a Bluetooth® device
1In the power-off state, press and hold [Í/I ( )] of this unit until the power/pairing LED
blinks.
• This unit will start to search for a Bluetooth® device to connect to, and the power/pairing LED will light alternately
in blue and red.
2Turn on the power of the Bluetooth® device, and enable the Bluetooth® function.
3Select “RP-HD305B” from the Bluetooth® device’s menu.
• A MAC address (an alphanumeric character string that is displayed by
and unique to the device) may be displayed before “RP-HD305B” is
displayed.
• If prompted for a passkey, input the passkey “0000 (four zeros)” of this
unit.
4Check the connection with the Bluetooth® device on the
unit.
• The power/pairing LED will light alternately in blue and red until the connection with the device is completed.
When the power/pairing LED (blue) blinks twice every approx. 2 seconds, pairing (registration) is completed.
(Connection established)
Note
• If connection to a device is not established within approximately 5 minutes, the unit will be turned off. Perform pairing
again.
• You can pair up to 8 Bluetooth® devices with this unit. If a 9th device is paired, the device with the oldest connection
will be replaced. To use it, perform pairing again.
Preparation
• Place the Bluetooth® device within approx. 1 m (3.3 ft.) from the unit.
• Check the device operation using its operation instructions as required.
Pairing (Registration) this unit with the Bluetooth® device for connection
When pairing a device for the first time: approx. 3 seconds
When pairing a second or subsequent devices: approx. 5 seconds
Bluetooth
Bluetooth ON
RP-HD305B
Device
e.g.
Select

Preparation
11
1Turn on this unit.
• Press and hold [Í/I ( )] of this unit for approx. 3 seconds until the power/pairing LED (blue) blinks.
• A beep will sound, and the power/pairing LED (blue) will blink slowly.
2Perform steps 2 and 3 of “Pairing (Registration) this unit with the Bluetooth® device for
connection”. (l10)
• When the power/pairing LED (blue) blinks twice every approx. 2 seconds, pairing (registration) is completed.
(Connection established)
Note
• This unit remembers the device lastly connected. Connection may be automatically established after step 1 (see
above).
• If connection to a device is not established within approximately 5 minutes, the unit will be turned off. Turn on the unit
again.
Connecting a paired Bluetooth® device

Operation
12
Listening to music
If the Bluetooth® compatible device supports the “A2DP” and “AVRCP” Bluetooth® profiles, music can be
played back with remote control operations on the unit.
• A2DP (Advanced Audio Distribution Profile): Transmits audio to the unit.
• AVRCP (Audio/Video Remote Control Profile): Allows remote control of the device using the unit.
1Connect the Bluetooth® device and the unit. (l10, “Connecting a Bluetooth® device”)
2Select and play the music on the Bluetooth® device.
• The unit's headphones will output the music or the audio of the video being played back.
• Operating time:
The maximum playback time is approximately 24 hours. (It may become shorter depending on the usage
conditions.)
∫Attention
• The unit might leak sound depending on the volume level.
• When the volume is increased to near maximum level, music may sound distorted. Decrease the volume until the
distortion is cleared.
You can control the Bluetooth® device using the unit.
• Depending on the Bluetooth® device or the app, even if you press buttons on the unit, some functions may not
respond or may operate differently from the descriptions below.
(Operation example)
Note
• The volume can be adjusted in 31 levels (16 levels during calls). When the maximum or minimum volume is reached,
a beep will sound.
Remote controlling
Function Operation
Play / Pause Press [1/;/].
Increase the volume Press [i].
Decrease the volume Press [j].
Forward to the start of next
track Press [1/;/ ] twice quickly.
Return to the start of current
track Press [1/;/ ] three times quickly.
Fast forward Press [1/;/ ] twice quickly; hold the second
press.
Fast rewind Press [1/;/ ] three times quickly; hold the third
press.
Right (R) side

Operation
13
This changes the sound quality of the music or video being played back.
Press the [SOUND] button on this unit.
• Each press of this button changes the sound quality.
– Bass Enhancer : Produces a more dynamic sound effect with enhanced bass.
– Clear Voice : Produces a sound effect which makes human voices, such as vocals and dialogues, clear to listen to.
– OFF : Turns off sound effects.
Note
• The setting immediately before the power is turned off is stored.
• You will be notified by audio guidance when the mode is switched.
• It is possible to switch the audio guidance between English and French. (l15, “Guidance messages”)
• This may not be effective depending on the music or video being played back.
Selecting the sound mode
Bass Enhancer Clear Voice OFF
↓ ↓

Operation
14
Making a phone call
With Bluetooth® enabled phones (cell phones or smartphones) that support the “HSP” or “HFP” Bluetooth®
profile, you can use the unit for phone calls.
• HSP (Headset Profile):
This profile can be used to receive monaural sounds and establish two-way communication using the
microphone on the unit.
• HFP (Hands-Free Profile):
In addition to the HSP functions, this profile has the incoming and outgoing calls function.
(This unit does not have a function that allows you to make phone calls independently of a Bluetooth® enabled
phone.)
1Connect the Bluetooth® device and the unit. (l10, “Connecting a Bluetooth® device”)
2Press [1/;/ ] on the unit and answer the incoming call.
• During an incoming call, ringtone will sound from the unit and the power/
pairing LED will blink.
• (HFP only) To reject the incoming call, press [1/;/ ] twice quickly.
3Start talking.
• The power/pairing LED will repeatedly blink 2 times during a call.
• The volume can be adjusted during a phone call. For setting instructions,
see page 12.
4Press [1/;/ ] to end the phone call.
• A beep will sound.
Note
• There may be instances when hands free setting needs to be done on the Bluetooth® enabled phone.
• Depending on the Bluetooth® enabled phone, you may hear incoming and outgoing call ringtones of the phone from
the unit.
• (HFP only) It may be difficult to hear phone conversations when the unit is used in locations with loud ambient noise
or in outdoor or other locations exposed to powerful winds. In that case, change the calling location or switch the
calling device to the Bluetooth® enabled phone to continue the call.(Press [1/;/ ] on the unit twice quickly to
switch.)
• You can have the Bluetooth® enabled phone make phone calls by using the microphone of the unit and an app of the
Bluetooth® enabled phone. (l15, “Activating voice functions”)
[1/;/]

Operation
15
Useful functions
You can use a button on this unit to activate Siri or other voice functions on your smartphone or similar device.
1Connect the Bluetooth® device and the unit. (l10, “Connecting a Bluetooth® device”)
2Press and hold [1/;/ ] on this unit until the voice function is activated.
Note
• For details about voice function commands, refer to the operating instructions for the Bluetooth® device.
• The voice function may not work depending on the smartphone, etc., specifications and the app version.
The unit is equipped with an a function that provides an audio notification when you turn on/off the unit, connect
a Bluetooth® device or change a setting, for example.
• This unit has English and French messages for the audio guidance.
• The audio guidance function cannot be disabled.
• The audio guidance volume cannot be adjusted.
∫Switching the audio guidance language
Press and hold [j] and [Í/I ( )] for at least 5 seconds.
• When the unit is turned off, an English guidance message will be heard indicating the battery level.
• When the battery level starts to run low, the blinking power/pairing LED will turn from blue to red, and as it
drops further, you will be notified by one beep every 1 minute.* When the battery runs out, an English
guidance message will be heard and the power will turn off.
* If you press [Í/I ( )] twice quickly, an English guidance message will be heard and you can check the battery
level.
• It is possible to switch the audio guidance between English and French. (labove)
If the unit is not connected to a Bluetooth® device, an English guidance message will be heard and turn off the
unit automatically approximately 5 minutes after you have stopped using it.
• It is possible to switch the audio guidance between English and French. (labove)
Activating voice functions
Guidance messages
Battery level notification
Auto power off

Operation
16
While the power is turned off or the battery has no remaining charge, this unit
can be used as normal headphones by connecting the detachable cord
(supplied).
• Before connecting the detachable cord (supplied), lower the volume on the
connected device.
• If you connect the detachable cord (supplied) when connected via Bluetooth®, the
power will turn off.
• Noise may occur due to dirt on the plug. Clean the plug with a soft dry cloth if this
occurs.
• Do not use any other detachable cords except the supplied one.
This unit can be reset when all operations are rejected. To reset the unit, connect the unit to a computer using
the USB charging cord. All the previous operations will be canceled. (The pairing device information will not be
deleted.)
Using the detachable cord (supplied)
Resetting the unit
Left (L)
side

Other
17
Restoring to the factory settings
When you want to delete all pairing device information, etc., you can restore the unit to the factory settings
(original settings upon purchase). Charge the battery before restoring the unit.
1While the power is turned off, press and hold [Í/I ( )] for at least 5 seconds until the
power/pairing LED lights alternately in blue and red.
2While the power/pairing LED is lighting alternately in blue and red, press [i] and [j] at
the same time for at least 5 seconds.
• The default settings will be restored after the power/pairing LED (blue) blinks fast and the unit turns off.
∫Attention
• When pairing a device again, delete the registering information (Device: “RP-HD305B”) from the Bluetooth® device’s
menu, and register this unit with the Bluetooth® device again. (l10)
Copyright, etc.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of
such marks by Panasonic Corporation is under license.
Other trademarks and trade names are those of their respective owners.
Siri is a trademark of Apple Inc.
Qualcomm aptX is a product of Qualcomm Technologies, Inc. and/or its subsidiaries.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries.
aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other
countries.
Other system names and product names appearing in this document are in general the registered
trademarks or trademarks of the respective developer companies.
Note that the TM mark and ® mark do not appear in this document.
Remove the right ear pad to view authentication information. (1)
Authentication information (A) is indicated on the speaker plate portion (B), which becomes visible when
the right ear pad (R side) is removed. (2)
To attach the ear pad, fit the part D of the ear pad into the part C. (3)
Do not pull the ear pad with force when attaching or removing.
123




Other
18
Troubleshooting
Before requesting service, make the following checks. If you are in doubt about some of the check points, or if
the remedies indicated in the chart do not solve the problem, refer to “Customer Services Directory” on “Basic
Owner’s Manual” if you reside in the U.S.A., or refer to “CONTACT INFORMATION” on “Basic Owner’s Manual”
if you reside in Canada.
No sound.
• Make sure that the unit and the Bluetooth® device are connected correctly. (l10)
• Check if music is playing on the Bluetooth® device.
• Make sure that the unit is turned on and the volume is not set too low.
• Pair and connect the Bluetooth® device and the unit again. (l10)
• Check if the Bluetooth® compatible device supports “A2DP” profile. For details on profiles, see “Listening to music”
(l12). Also refer to the operating manual for the Bluetooth® compatible device.
• If there is more than one active Bluetooth® device around this unit, it may be connected to the wrong one, so check
that it is connected to the correct one.
Cannot adjust the volume.
• The control buttons on this unit are disabled when the detachable cord (supplied) is being used.
Low volume.
• Increase the volume of the unit. (l12)
• Increase the volume on the Bluetooth® device.
Sound from the device is cut off. / Too much noise. / Sound quality is bad.
• Sound may be disrupted if signals are blocked. Do not fully cover this unit with the palm of your hand, etc.
• The device may be out of the 10 m (33 ft.) communication range. Move the device closer to this unit.
• Remove any obstacle between this unit and the device.
• Switch off any wireless LAN device when not in use.
The device cannot be connected.
• You can pair up to 8 Bluetooth® devices with this unit. If a 9th device is paired, the device with the oldest connection
will be replaced.
• Delete the pairing information for this unit from the Bluetooth® device, then pair them again. (l10)
You cannot hear the other person.
• Make sure that the unit and the Bluetooth® enabled phone are turned on.
• Check if the unit and the Bluetooth® enabled phone are connected. (l10)
• Check the audio settings of the Bluetooth® enabled phone. Switch the calling device to the unit if it is set to the
Bluetooth® enabled phone. (l10)
• If the volume of the other person’s voice is too low, increase the volume of both the unit and the Bluetooth® enabled
phone.
Cannot make a phone call.
• Check if the Bluetooth® compatible device supports “HSP” or “HFP” profile. For details on profiles, see “Listening to
music” (l12) and “Making a phone call” (l14). Also refer to the operating manual for the Bluetooth® enabled
phone.
Sound and audio volume
Bluetooth® device connection
Phone Calls

Other
19
The unit does not respond.
• This unit can be reset when all operations are rejected. To reset the unit, connect the unit to a computer using the
USB charging cord. (l16)
• The power cannot be turned on when the detachable cord (supplied) is connected.
Cannot charge the unit. / The power/pairing LED does not light during charging. / Charging takes
longer.
• Is the USB charging cord connected firmly to the USB terminal of the computer? (l9)
• Make sure to charge in a room temperature between 10 oC and 35 oC (50 oF and 95 oF).
• Make sure the computer is turned on and is not on standby or sleep mode.
• Is the USB port you are currently using working properly? If your computer has other USB ports, unplug the connector
from its current port and plug it into one of the other ports.
• If the measures mentioned above are not applicable, unplug the USB charging cord and plug it in again.
• It takes approx. 5 hours to charge the battery from empty to full.
• If the charge time and operating time become shortened, the battery may have run down. (Number of charging times
of the installed battery: Approximately 300)
• The power/pairing LED lights in red when charging is in progress. When charging is completed, the power/pairing
LED will go out.
The power does not turn on. / The power turns off.
• Is the unit being charged? The power cannot be turned ON during charging. (l9)
• The battery is low when the power/pairing LED is blinking in red. Charge the unit.
• Is auto power off active? (l15)
• The power cannot be turned on when the detachable cord (supplied) is connected.
The audio guidance language has changed.
• The audio guidance language can be switched. (l15)
General
Power supply and charging
Guidance messages

Other
20
Specifications
∫General
*1 It may be shorter depending on the operating conditions.
*2 The time required to charge the battery from empty to full.
∫Bluetooth® section
∫Headphone section
∫Speaker section
∫Terminal section
∫Microphone section
∫Accessory section
• Specifications are subject to change without notice.
Power supply DC 5 V, 300 mA
(Internal battery: 3.7 V (Li-polymer))
Operating time*1 Approx. 24 hours (SBC)
Charging time*2 (25 oC (77 oF)) Approx. 5 hours
Charging temperature range 10 oC to 35 oC (50 oF to 95 oF)
Operating temperature range 0oC to 40 oC (32 oF to 104 oF)
Operating humidity range 35 %RH to 80 %RH (no condensation)
Mass (Weight) Approx. 218 g (7.7 oz) (without cord)
Bluetooth® system specification Ver. 5.0
Wireless equipment classification Class 2 (2.5 mW)
Maximum RF Power 4dBm
Frequency band 2402 MHz to 2480 MHz
Supported profiles A2DP, AVRCP, HSP, HFP
Supported codec SBC, AAC, Qualcomm®aptXTM,
Qualcomm®aptXTM Low Latency
Operating distance Up to 10 m (33 ft.)
Impedance 34 Ω (Power off, with cord)
Frequency response 4 Hz to 40000 Hz (with cord)
Driver units 40 mm (1 - 9/16 inch)
Max input 1000 mW (IEC)
DC IN DC 5 V, 500 mA
Type Mono
USB charging cord Approx. 0.5 m (1.6 ft.)
Detachable cord Approx. 2.0 m (6.6 ft.)