CAROL Vireo BTH-830 User manual

BTH-830
Premium Bluetooth Detachable Headphone
Vireo

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BTH-830 Bluetooth Headphone User Manual
Safety Precautions
Product Introduction and Accessory
Names of Parts and Function Introduction
Product Specification
Method of Use
Common Questions and Simple Trouble Shooting
Certificate Information
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Table of Contents
Please carefully read this manual before your use of this product

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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
Limited Warranty Statement
TAIWAN CAROL ELECTRONICS CO., LTD. warrants that this product shall
be free from defects in material and workmanship for a period of one
year (12 months) from the date of purchase by the distributor.
When defects are found during the Warranty Period, CAROL (Taiwan
Carol Electronics) may repair the product free of charge with new or
renewed parts.
The Warranty Period for such repaired product is the remaining
Warranty Period of the original product, or sixty (60 days) after the
repair date, whichever is longer.
All indemnities shall be limited to the initial purchase price paid for the
product.
Any one of the following conditions is not protected under the Limited
Warranty:
1.The defect is not notified within the Warranty Period.
2.Any damages caused as a result of improper storage or use, accident,
modification of the product, non-material or non-workmanship defect or any
unreasonable usages.
3.Normal wear outs (including consumable parts) and damages to the product,
broken cable, scratch, lost, stolen, bended plug…etc. are not covered under
the warranty.
4.Appearance and decorative parts free of any detects during shipping are,
therefore, not covered under the warranty.
5.Warranty is void if the product has been modified by any unauthorized
persons.
Without authorization, this Limited Warranty cannot be modified.
Safety Precautions
Please read this safety instruction carefully and thoroughly.
To obtain the best performance, please refer this manual before
installing or using the product.
Be sure to follow the relevant safety and precautions described in
this manual.
Warning” and “Caution” are used to indicate degree of danger
and damage when the product is not used correctly.
Failure to comply with warnings may result in
severe personal injury or property damage from
improper operation.
Warning
Failure to comply with cautions may result in
personal injury or property damage from improper
operation.
Caution

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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
WARNING
Failure to comply with the warning may result in sever personal injury
or property damage from improper operation.
During the use of the headphone product, an excessive volume can
cause permanent damage to hearing. If there is any discomfort or
tinnitus, please stop using the headphone and consult doctor imme-
diately.
Please do not use the headphone during the driving in order to pre-
vent any hazards due to distraction.
At areas with warning signs of electronic interference prevention
(such as: airplanes, hospitals, military territories), please switch off
the wireless Bluetooth function in order to prevent hazards caused
by electronic interference.
If there is water or other obstacles entering into the internal of the
equipment, it may cause fire accident of electric shock.
Do not try to modify this product; otherwise it may cause personnel
injuries and/or product malfunctions.
Keep the product, package and parts away from the children and
pets as these objects are hazardous to swallow.
Please do not use power supplies of other specifications in order to
prevent erroneous uses leading to fire accident and electric shock.
Failure to comply with these cautions may result in personal injury or
property damage from improper operation.
Do not attempt to disassemble or modify the equipment. Doing so
may result in product failure.
Keep dry. Do not expose the product to direct sunlight or place the
product at the environment with high level of heat, moisture, dust
and contact with acids, alkali, organic solvents etc. in order to pre-
vent corrosion or deformation.
DO not use this product when there are obvious signs of damages.
Avoid falling to the ground and prevent this product from severe col-
lisions.
CAUTION

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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
II.Product Introduction and Accessory
1)Product Information
BTH-830 is a Bluetooth headphone set developed and manu-
factured solely by Taiwan Carol Electronics. The method of use
is simple, and the product is made for all ages. The design of
leather on headphone makes the overall appearance to be more
fashionable and enhances the comfortability of the wearing of
the headphone. The sound performance of the headphone is
excellent to allow you to hear greater sound details in such a
way resembling effect of a real musical concert.
2)Product Accessory
1.Headphone main body
2.BTH-830R Bluetooth receiver
3.BTH-830T Bluetooth transmitter
4.Storage bag
5.USB A Type-to-Micro USB adapter cable
6.ø3.5mm dual male plug audio cable
7.User manual
: 1 set
: 1 unit (Bluetooth set)
: 1 unit (Premium set)
: 1 unit
: 1 unit
: 1 unit
: 1 unit
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3.Names of Parts and Function Introduction
1)BTH-830H headphone main body (referring to FIG. 3.1)
Headphone main body: for wearing on the ears; please be aware of the
volume level during use.
L/R label: please wear properly according to the correct direction during
use; L refers to the left and R refers to the right.
Headphone hinges: for storage of the headphone and capable of folding
the headphone as shown in the figure. Please do not rotate the head-
phone hinges with excessive forces in order to prevent damages of the
headphone.
ø3.5mm audio socket: BTH-830H can be used to connect to a Bluetooth
receiver (BTH-830R) as wireless headphone, or can be connected with the
ø3.5mm dual male plug audio cable provided in the accessory for use of
wired headphone.
( Figure 3.1 )
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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
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2) BTH-830R Bluetooth receiver (referring to FIG. 3.2)
ø3.5mm male plug: for connecting to the BTH-830H headphone main body.
Volume adjustment switch: for adjusting volume of the headphone; “+”
refers to increase volume, and “-“ refers to decrease volume.
Receiver main button: under different conditions, this switch has the func-
tions of: turn on/off the receiver, re-pairing for connection, pick-up/hang-up
telephone etc.
LED indicator: for indicating the working status.
Microphone: for receiving voice during telephone communication.
Charging indicator: for displaying the charging status.
Micro USB power socket: can be used with the USB power cable provided in
the accessory in order to perform charging via a conventional mobile power
source or an USB interface power supply with an output of DC 5V/1A.
3)BTH-830T Bluetooth Transmitter (referring FIG. 3.3)
ø3.5mm male plug: for connecting to the earphone socket of a computer,
television or entertainment device, capable of performing wireless audio
transmission with BTH-830R
Transmitter main button: under different conditions, this switch has the func-
tions of: turn on/off the receiver, re-pairing for connection, pick-up/hang-up
telephone etc.
LED indicator: for indicating the working status.
Charging indicator: for displaying the charging status.
Micro USB power socket: can be used with the USB power cable provided in
the accessory in order to perform charging via a conventional mobile power
source or an USB interface power supply with an output of DC 5V/1A.
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(Figure 3.2) (Figure 3.3)

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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
4.Product Specification
BTH-830H Headphone main body
Product dimension: 187x 178x79 (mm )
Weight: 200g ± 30g
Frequency response: 20Hz ~ 20KHz
Impedance: 32Ω± 15%
Output S.P.L: 118±3dB
Distortion: ≦ 3%
BTH-830R Bluetooth receiver/BTH-830T Bluetooth transmitter
(Bluetooth / Premium set)
Product dimension: 25mm X 16.5mm X 75.5mm
Weight: 18g ± 2g
Compliant：Bluetooth Specification V2.1 EDR system
Carrier frequency: ISM band 2.400~2.4835GHz
Transmission distance: 10m
Power source: Lithium battery (3.7V, 240 mAH)
Charging time: 2 hours (maximum use of 8 hours)
Charging voltage: 5V (compatible to USB standard)
Latency: 38ms
Audio quality: stereo sound 44.1KHz/16bits
5.Method of Use
5.1 Charge the Bluetooth receiver/Bluetooth transmitter
5.1.1 Connect one end of the USB power cable provided to the Bluetooth re-
ceiver/Bluetooth transmitter and another end of the cable to a conven-
tional mobile power source or a USB interface of an output of DC 5V/1A
for charging.
5.1.2 A period of 2 hours is required to fully charge the device, and the device
can be used for a maximum period of 8 hours.
5.1.3 Light Signal
Charging indicator light signal indicates:
● Red light: charging
● Green light: charging complete
● Flash red and green: Near charging complete, but in using mode

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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
5.3 Method of Use of Wireless Headphone (during connection with
mobile phone)
Action Function
Long press for 3 sec-
onds
Switch on/Switch off
Short press once (for
BTH-830R)
● During an incoming phone call, it can pick up the
call.
● When the call is ended, it can hang up the call.
Consecutive short
presses for 5 times
It is able to clear the pairing data record (the action of
erase is necessary for all of the receiver, transmitter,
mobile phone or computer desired to be paired up),
and try the connection procedure again.
5.2.2 Description of Main button Light
Status Light Signal Status
Switch on Green light flashes twice in 1 second
Switch off Red light flashes four times
Automatic connection Red and green lights flash once per second alternatively
Clear pairing data
record
Red light flashes five times
Audio transmission Green light flashes once per 2 seconds
Battery power too low
(audio transmission)
Red and green lights flash once per 2 second
5.2 Description of Main button and Light Signal Function of Blue-
tooth Receiver (BTH-830R)/Bluetooth Transmitter (BTH-830T)
5.2.2 Description of Main button Light
5.3.1 Connect the BTH-830R Bluetooth re-
ceiver to the BTH-830H headphone
main body and then turn on the re-
ceiver.
5.3.2 Search to find the “CAROL BTH-
830R” on the Bluetooth Connected
Device; after pressing to select such
device, the mobile phone can be
paired with the BTH-830R Bluetooth
receiver. If the device requests an
input of a pairing code, please enter
“0000”.
5.3.3 During the playing of music, if there
is an incoming phone call, press the
main button on the receiver to pick
up the call, and use the microphone
on the receiver to speak. Press the
main button again to end the phone
call.
5.3.4 If your speaker or car is equipped with
an “Aux-in” socket, you can connect
the BTH-830R via the socket in order
to perform wireless music playing.

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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
5.4 Method of Use for Wireless Headphone [Connection with BTH-
830T Bluetooth Transmitter (Premium set)]
5.4.1 After switching on the BTH-830R Bluetooth receiver and the BTH-830T
Bluetooth transmitter, automatic connection is then performed.
5.4.2 Connect the BTH-830R Bluetooth receiver to the BTH-830H headphone
main body.
5.4.3 Connect the BTH-830 Bluetooth transmitter to an earphone socket or
audio output socket of a computer, television entertainment device in
order to listen to music via the headphone.
5.4.4 If your speaker or car is equipped with an “Aux-in” socket, you can
connect the BTH-830R via the socket in order to perform wireless music
playing.
5.5 Method of Use for Wired Headphone
5.5.1 Connect the ø3.5mm dual male plug audio cable provided in the acces-
sory to the BTH-830H headphone main body.
5.5.2 Connect the other end of the cable to an eardphone socket or audio
output socket of a mobile phone, computer, television, entertainment
device in order to complete the connection.
5.6 Operation Flow
*BTH-830R can be paired with one device at a time*
Open Bluetooth
Function
Open Bluetooth
Function
Sound Transmission
Whether Connection
is Successful
Sound Transmission
Whether Connection
is Successful
Press Power Button
Press Power Button
Switch On Complete
For approximately
two seconds
For approximately
two seconds
Connection
Successful
Connection
Successful
Connection Failed
Re-pairing
Connection Failed
Re-pairing
Audio Transmission Audio Transmission
Sound Transmission
Whether Connection
is Successful
Press Power Button
Press Power Button
Switch On Complete
For approximately
two seconds
For approximately
two seconds
Connection
Successful
Mobile Phone BTH-830 Receiver BTH-830 Transmitter

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BTH-830 Bluetooth Headphone User Manual
BTH-830 Bluetooth Headphone User Manual
Malfunctions Resolution
BTH-830R/T Cannot be
switched on
Please check whether the battery power is sufficient
Connection failed 1. Check whether there are any irrelevant Bluetooth devices
within the effective distance.
2. When auto pairing cannot be completed, please press
the main button of the BTH-830R/T five times consecu-
tively, the red light signal flashes five times, and the
pairing data record is now erased for re-pairing (please
note: clear action is necessary for the pairing of receiver,
transmitter, mobile phone or computer).
Mobile phone and BTH-830R
were once connected success-
fully, but, now, no connections
can be successfully made.
Please perform Resolution 2 for the malfunction of connection
failure.
Connection has already been
completed but there is no
sound during use
Please make sure that the volume is properly adjusted, and
check whether the audio connection cable is connected prop-
erly.
Others The effective distance of use for BTH-830R/T is approximately
10m; if the distance of use exceeds such range, sound may be
interrupted. In the situation where there are too many wireless
equipment in the surrounding, such distance may be reduced to
less than 10m.
Replacement headphone cover 1. Remove the cover from the edges of the headphone.
2. Install the new headphone cover from the lower edge,
and push upward with hands carefully, and make sure the
headphone main body is fully enclosed by the cover.
(referenece drawings).
6.Common Questions and Simple Trouble Shooting 7.Certificate Information
1.CE
EMC：EN 301489-1 / EN 301489-3
RF：EN 300440
LVD：EN 60065
2.FCC
(Tx+Rx)：FCC Part15C(Certification)
3.NCC
(Tx+Rx)：LP0002
4.FCC Compliance Statement
1.1 Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
1.2 In order to comply with the regulations of FCC Radiated Emission Limits, do not
place or operate this transmitter and its antenna together with another an-
tenna or transmitter.
1.3 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；(2)
This device must accept any interference received, including interference that
may cause undesired operation.
FCC INFORMATION
The 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 instruction, may cause
harmful interference to radio communication. However, there is no grantee that
interference will not occur in a particular installation. If this equipment dose 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.
IMPORTANT NOTE: To comply with the FCC RF exposure compliance requirements, no
change to the antenna or the device is permitted. Any change to the antenna or the
device could result in the device exceeding the RF exposure requirements and void
user’s authority to operate the device.