Panasonic RB-M500B User manual

GE
Operating Instructions
Digital Wireless Stereo Headphones
Model No. RB-M500B
RB-M300B
Thank you for purchasing this product.
Please read these instructions carefully before using this product, and save this manual for future use.
TQBM0702
until
2020/3/23

2
Safety precautions
∫Unit
• Avoid using or placing this unit near sources of heat.
• 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.
• Wide band characteristic voltage equal or larger than 75 mV.
• Keep this unit away from something susceptible to the magnetism. Such devices as a clock may not operate
correctly.
• When using this unit in an airplane, heed the instructions given by the airline company. Some airlines may
forbid your using the unit. For further details, contact the airline you will be flying with.
∫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.
∫Precautions for listening with the Headphones
• Excessive sound pressure from earphones and headphones can cause hearing loss.
• Do not use your headphones at a high volume. Hearing experts advise against continuous extended play.
• If you experience a ringing in your ears, reduce volume or discontinue use.
• Do not use while operating a motorised vehicle. It may create a traffic hazard and is illegal in many areas.
• You should use extreme caution or temporarily discontinue use in potentially hazardous situations.
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.
Avoid the use in the following conditions
• High or low extreme temperatures during use, storage or transportation.
• Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, that can result in an
explosion.
• Extremely high temperature and/or extremely low air pressure that can result in an explosion or the leakage of
flammable liquid or gas.
This unit may receive radio interference caused by mobile telephones during use. If such interference occurs,
please increase separation between this unit and the mobile telephone.
Use only the supplied USB charging cord when connecting to a computer.

3
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.
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.

4
Table of contents
Safety precautions ...................................................................................................................................... 2
About Bluetooth®......................................................................................................................................... 3
Before use
Accessories................................................................................................................................................. 5
Maintenance................................................................................................................................................ 5
Part names.................................................................................................................................................. 6
Preparation
Charging...................................................................................................................................................... 7
Turning the power on/off ............................................................................................................................. 7
Connecting a Bluetooth® device.................................................................................................................. 8
• Pairing (Registration) this unit with the Bluetooth® device for connection ............................................ 8
• Connecting a paired Bluetooth® device ................................................................................................ 9
Operation
Listening to music ..................................................................................................................................... 10
• Remote controlling.............................................................................................................................. 10
• [RB-M500B] Bass reactor ......................................................................................................................11
• [RB-M300B] Enhancing the bass (Bass enhancer)................................................................................11
Making a phone call .................................................................................................................................. 12
Useful functions......................................................................................................................................... 13
• Activating voice functions ................................................................................................................... 13
• Guidance messages........................................................................................................................... 13
• Battery level notification...................................................................................................................... 14
• Auto power off .................................................................................................................................... 14
• Using the detachable cord (supplied) ................................................................................................. 14
• Resetting the unit ............................................................................................................................... 14
Other
Restoring to the factory settings................................................................................................................ 15
Copyright, etc. ........................................................................................................................................... 16
Troubleshooting......................................................................................................................................... 17
• Sound and audio volume.................................................................................................................... 17
• Bluetooth® device connection.............................................................................................................17
• Phone Calls ........................................................................................................................................ 18
• General............................................................................................................................................... 18
• Power supply and charging ................................................................................................................ 18
• Guidance messages........................................................................................................................... 18
Specifications ............................................................................................................................................ 19
To remove the battery when disposing of this unit .................................................................................... 20

Before use
5
Accessories
Please check and identify the supplied accessories.
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.
• Unless otherwise indicated, illustrations in these operating instructions are of RB-M500B.
Marks denoting model names
Functionality differences between models are indicated with the model marks below.
• RB-M500B: [RB-M500B]
• RB-M300B: [RB-M300B]
1 x USB charging cord
1 x Detachable cord

Before use
6
Part names
*1 Examples of lighting/blinking patterns
*2 The battery is low when it is blinking in red. (l14, “Battery level notification”)
1 Audio input terminal
2[i] button
3 [ ] button
4[j] button
5 Power/pairing LED*1
6 Microphone
7 Charging terminal (DC IN)
• Connect the USB charging cord (supplied) to this
terminal when charging. (l7, “Charging”)
8[RB-M500B] [BASS i]/[BASS j] button
9[RB-M300B] [BASS] switch
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)*2 Bluetooth® connection standby
Blinking twice about every 2 seconds
(blue)*2
A Bluetooth® pairing (registration) has been established or a call is in
progress
Blinking (blue)*2 A call is being received
10
11
1
3
4
5
6
2
7
8
3
4
5
6
2
7
9
RB-M500B RB-M300B
Right (R) side

Preparation
7
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. 4 hours to charge the battery from empty to
full.
Note
• Charge in a room temperature between 10 oC and 35 oC. 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 [ ] 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 [ ] for approximately 3 seconds. An English
guidance message will be heard, and the power will be turned off.
• It is possible to switch the language of the audio guidance. (l13,
“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. (l14, “Auto power off”)
• It is possible to switch the language of the audio guidance. (l13, “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
C
Right (R)
side
Power/pairing LED
[]
Right (R)
side

Preparation
8
Connecting a Bluetooth® device
1In the power-off state, press and hold [ ] 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 “RB-M500B” or “RB-M300B” 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 “RB-M500B” or
“RB-M300B” 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 9 Bluetooth® devices with this unit. If a 10th 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 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
RB-M500B
Device
e.g. RB-M500B
Select

Preparation
9
1Turn on this unit.
• Press and hold [ ] 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”. (l8)
• 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
10
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. (l8, “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 (It may become shorter depending on the usage conditions.):
[RB-M500B] The maximum playback time is approximately 30 hours.
[RB-M300B] The maximum playback time is approximately 50 hours.
∫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 [ ] (a).
Increase the volume Press [i] (b).
Decrease the volume Press [j] (c).
Forward to the start of next
track Press and hold [i] for approximately 2 seconds.
Return to the start of current
track Press and hold [j] for approximately 2 seconds.
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
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Right (R) side

Operation
11
You can amplify the bass in the music or videos you are playing back and enjoy a powerful experience by
directly transferring the vibrations to the headphones themselves.
While playing back music or videos on a device connected via Bluetooth®
Press [BASS i] or [BASS j] to adjust the Bass reactor strength level.
• This unit vibrates along with the bass of the music or video being played back.
• Bass reactor strength level: Off ,-. Low ,-. Middle ,-. High (The default value is Low.)
• Even when the power is turned off, the setting before turning it off will be stored to memory.
• The playback time depends on the music source and the Bass reactor strength level.
Note
• This may not be effective depending on the music or video being played back.
• If you feel ill while using the Bass reactor, set the Bass reactor to Off.
• Turn on this unit to use the Bass reactor when using this unit with the detachable cord (supplied) connected.
You can enjoy music with enhanced bass.
Slide [BASS] switch to ON.
∫To turn off the bass enhancer function
When [BASS] switch is slided to OFF, the bass enhancer function will turn off.
Note
• This may not be effective depending on the music or video being played back.
[RB-M500B] Bass reactor
[RB-M300B] Enhancing the bass (Bass enhancer)

Operation
12
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. (l8, “Connecting a Bluetooth® device”)
2Press [ ] 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 [ ] 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 10.
4Press [ ] 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 [ ] 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. (l13, “Activating voice functions”)
[]

Operation
13
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. (l8, “Connecting a Bluetooth® device”)
2Press [ ] of this unit twice quickly.
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 messages for the following languages for the audio guidance.
English/French
• The audio guidance function cannot be disabled.
• The audio guidance volume cannot be adjusted.
∫Switching the audio guidance language
Press and hold [j] and [ ] for at least 5 seconds.
• The language is switched one at a time each time this operation is performed.
Activating voice functions
Guidance messages

Operation
14
• 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.
• It is possible to switch the language of the audio guidance. (l13, “Guidance messages”)
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 language of the audio guidance. (l13, “Guidance messages”)
– Auto power off does not work when the detachable cord (supplied) is connected.
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) during Bluetooth® connection,
the Bluetooth® connection will be lost. ([RB-M300B] The unit turns 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.
•[RB-M500B] When the detachable cord (supplied) is connected and the power
is turned on, you can use the Bass reactor. However, the volume cannot be
adjusted in this case.
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.)
Battery level notification
Auto power off
Using the detachable cord (supplied)
Resetting the unit
Left (L)
side

Other
15
Restoring to the factory settings
You can restore the unit to the factory settings (original settings upon purchase). Performing the following
procedure returns the volume level, etc., to the factory settings and deletes the information for all registered
devices. Charge the battery before restoring the unit.
1While the power is turned off, press and hold [ ] 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 and hold [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: “RB-M500B” or “RB-M300B”) from the
Bluetooth® device’s menu, and register this unit with the Bluetooth® device again. (l8)

Other
16
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 trademarks of Apple Inc., registered in the U.S. 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.
Copyright notice
This product uses open source software based on the Free Software Foundation’s GPL and other conditions. The
relevant conditions apply to the software. The license information for the GPL shown on this product and information
about open source software are published on our website. The source code licensed under the conditions of the
GPL is available publicly. Please note that these types of software are not covered by warranty. At least 3 years from
sale of this product, Panasonic Corporation will give to any individual or group who contacts us, for a charge of no
more than the cost of physically distributing source code, a complete machine-readable copy of the source code and
the list of copyright notices corresponding to the GPL software covered under the conditions of the GPL usage
agreement.
Refer to the following URL to make enquiries regarding the above mentioned content and for information on how to
obtain the relevant source code:
https://panasonic.jp/support/global/cs/audio/download/index.html
1 Remove the right ear pad to view certification information.
2 Certification information (a) is indicated on the speaker plate portion (b), which becomes visible when
the right ear pad (R side) is removed.
3 To attach the ear pad, fit the part d of the ear pad into the part c.
If you pull the ear pad too much, the ear pad can tear.
123
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



Other
17
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, consult your dealer for instructions.
No sound.
• Make sure that the unit and the Bluetooth® device are connected correctly. (l8)
• 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. (l8)
• Check if the Bluetooth® compatible device supports “A2DP” profile. For details on profiles, see “Listening to music”
(l10). Also refer to the operating manual for the Bluetooth® compatible device.
Cannot adjust the volume.
• The control button does not work when the detachable cord (supplied) is used.
Low volume.
• Increase the volume of the unit. (l10)
• 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 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 9 Bluetooth® devices with this unit. If a 10th 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. (l8)
Sound and audio volume
Bluetooth® device connection

Other
18
You cannot hear the person on the other end of the call.
• Make sure that the unit and the Bluetooth® enabled phone are turned on.
• Check if the unit and the Bluetooth® enabled phone are connected. (l8)
• 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. (l8)
• 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” (l10) and “Making a phone call” (l12). Also refer to the operating manual for the Bluetooth® enabled
phone.
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. (l14)
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? (l7)
• Make sure to charge in a room temperature between 10 oC and 35 oC.
• 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. 4 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. (l7)
• The battery is low when the power/pairing LED is blinking in red. Charge the unit.
• Is auto power off active? (l14)
The audio guidance language has changed.
• The audio guidance language can be switched. (l13)
Phone Calls
General
Power supply and charging
Guidance messages

Other
19
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 [RB-M500B] Approx. 30 hours (Bass Reactor off, SBC)
[RB-M300B] Approx. 50 hours (SBC)
Charging time*2 (25 oC) Approx. 4 hours
Charging temperature range 10 oC to 35 oC
Operating temperature range 0oC to 40 oC
Operating humidity range 35 %RH to 80 %RH (no condensation)
Mass [RB-M500B] Approx. 316 g (without cord)
[RB-M300B] Approx. 296 g (without cord)
Bluetooth® system specification Ver. 5.0
Wireless equipment classification Class 2 (2.5 mW)
Max RF Power 4dBm
Frequency band 2402 MHz to 2480 MHz
Supported profiles A2DP, AVRCP, HSP, HFP
Supported codec SBC, AAC
Operating distance Up to 10 m
Impedance [RB-M500B] 27 Ω (Power off, with cord)
[RB-M300B] 34 Ω (Power off, with cord)
Frequency response 20 Hz to 20000 Hz (with cord)
Driver units 40 mm
Power handling capacity 1000 mW (IEC)
DC IN DC 5 V, 300 mA
Type Mono
USB Charging Cord
(Input Plug: USB A Shape,
Output Plug: USB Type-C Shape)
Approx. 0.5 m
Detachable cord Approx. 1.2 m

Other
20
To remove the battery when disposing of this unit
• Disassemble after the battery runs out.
• Keep disassembled parts out of reach of children.
Regarding the handling of used battery
• Insulate the terminals with adhesive tape or similar material.
• Do not disassemble.
∫Battery
• Do not heat or expose to flame.
• Do not leave the battery in a car exposed to direct sunlight for a long period of time with doors and windows
closed.
• Battery mishandling can cause electrolyte leakage which can damage items the leaked fluid comes into
contact with. If electrolyte leaks from the battery, consult your dealer. Wash thoroughly with water if electrolyte
comes in contact with any part of your body.
• When disposing of the battery, please contact your local authorities or dealer and ask for the correct method of
disposal.
1Remove the left ear pad.
2Remove the 4 screws.
3Remove the part A in step 2.
4Remove the battery, and cut off the wires one by one with scissors.
The following instructions are not intended for repairing purposes but for the disposal of this unit.
This unit is not restorable once disassembled.
• When disposing of this unit, take out the battery installed in this unit and recycle it.
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
12
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