GUANGZHOU U and I TECHNOLOGY BS121FE TRUE WIRELESS EARBUDS User Manual

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Document ID	3383173
Application ID	N3xogFiedysLxmvG9NqGAg==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	108.93kB (1361575 bits)
Date Submitted	2017-05-09 00:00:00
Date Available	2017-05-09 00:00:00
Creation Date	2017-03-16 10:21:12
Producing Software	Adobe PDF library 10.01
Document Lastmod	2017-05-04 13:37:45
Document Title	Users Manual
Document Creator	Adobe Illustrator CS6 (Windows)

BS121FE
Structure Sketch
BS121FE
should
Wearing Steps:
Step①
TRUE WIRELESS EARBUDS
User Manual
TRUE WIRELESS EARBUDS should be used with the compatible devices
which support Bluetooth wireless technology. This allows you to
make two calls and enjoy the music streaming at any time freely.
Please read this user manual carefully before using the EARBUDS,
and also read your device’s user manual regarding the Bluetooth
function, and pay attention to those important safety and
maintenance information.
Please keep the headset away from children.
Erect headset and place
them into the cochlea
Step②
Slightly rotate headset until it firm
1）MFB(multifunction button)
2）Indicator light and MIC
3）Speaker
4）The charging contact point
5）ON/OFF
6）Charging indicator
7）Micro USB charging port
Step③
Specifications
V4.2
Bluetooth Version：
Bluetooth Profiles Supported： HSP, HFP, A2DP, AVRCP, TWS
Audio Decoding Protocol：
SBC, AAC
Transmission Power：
Class 2
Operation Range：
Up to 10 meters
Frequency Range：
2.4GHz-2.48GHz
Battery of Headset：
45mAH Li-polymer Battery X2
Charging Voltage of Headset： 5V
Charging Time of Headset：
Make the headset to cochlear edge tightly.
Status No.
Status
Headset Performance
The Single Pairing The indicator light of headset(R) flashes red and blue
alternately.
TWS Pairing
After TWS pairing successed, the indicator light of right
headset alternately flashing red and blue, when the right
headset pairing successful with mobile phone, the
indicator light flashes blue once every 5 seconds
Standby Mode
The indicator light of right headset flashes blue once every
5 seconds
Call State
When in a call, the indicator light of right headset flashes
red every 5 seconds
Headset Charging
State
The indicator light of headset is red when being charged,
and will turn off automatically after being fully charged
Charging Base
Charging State
About 1hour
The indicator light of charging base is red when being
charged, and will turn off automatically after being fully
charged
The indicator light flashes blue for 3 times and then
flashes red once every 5 seconds
Battery of Base：
460mAH Li-polymer Battery
Charging Voltage of Base：
5V
Power On State
Charging Time of Base：
About 2 hours
Power Off State
4-5times
Low Voltage Alarm The indicator light flashes red once every 20 seconds
State
Charging Headset Times from
Charging Base ：
Charging Base Supply Power
for Headset Music Play Time： About 10 hours
Music Playing Time：
Up to 2.5 hours
Talk Time：
Up to 3 hours
Standby Time：
Up to 100 hours
Dimensions of Charging
Base(mm)：
L69×W30×H29.5
Identify according to L&R and
wear the EARBODS
EARBUDS (R) and
EARBUDS
EARBODS (L) respectively
： About 4.6g
Total Weight
： About 28.5g
*The time mentioned above may vary due to user's operation mode and
device settings.
Earbuds
Headset (L)
Note 1: Check the charging device is suit to the headset or not.
Note 2: Use only the supplied charger to charge the headset, if use
other device may violate the validation or the maintenance
article of this product and may cause danger.
Note 3: Do not attempt to force open the built-in battery as this could
damage the headset.
Note 4: A fully charged headset will lose its power automatically if left
unused. It is recommended to charge the headset each three
months.
Note 5: Do not leave the headset in a too hot or too cold condition (best
between -10℃ and 50℃) which may affect the headset's operations
although it is fully charged.
r.
Note 6: Do not dispose of the headset into fire or wate
Note 7: Please take out of the headsets from the charging base and store it
separately if not to use for a long time .
Method
In OFF MODE, press and hold MFB for 2 seconds to turn on.
In ON MODE, press and hold MFB for 5 seconds to turn off.
Charging Ways of Earbuds
Headset
The indicator light of headset is red
when being charged, and will turn
off automatically after being fully
charged
Put the headset (L) (R) to the corresponding position in the bottom
of the charging base, close the charging base tightly.
Charging Ways of Charging
Base
Use the USB charging cable
to charge
Earbuds
(R)
Use the USB cable to connect with
mobile phone charger
Turning ON/OFF
The indicator light flashes red for three times.
Dimensions of Headset(mm) ： L23.5×W17.1×H22.4
Weight(one headset)
Use the USB cable to connect with computer
The indicator light of
charging base is red when
being charged, and will turn
off automatically after being
fully charged
Micro USB charging port
Method
Pick up the headsets from the charging base to turn on automatically.
Put them back and close the charging base to turn off automatically.
Music Pause/Playing
TWS Pairing
2s
On OFF state, press MFB key for 2 seconds to power on and
waiting for 10 seconds , the two headsets will enter pairing
mode automatically. Two headsets connected with each other
after few seconds, the headset (R) alternately flashing red and
blue, and then open the phone's bluetooth device to search.
Pick up the two headsets
from the charging base to
power on and waiting for 10
seconds , the two headsets will
enter pairing mode automatically. Two headsets connected
with each other after few seconds, the headset (R) alternately
flashing red and blue, and then open the phone's bluetooth device
to search.
Do as the above ways: 1 or 2 , after TWS successfully paired:
left headset prompts "left channel" and right headset prompts "right
channel-pairing"
Cell phone begines to search for bluetooth
devices (see the user guide of your phone
for instructions). Mobile phone to search
Bluetooth ON
for “BS121FE-R” and select the
BS121FE-R
“BS121FE-R”.
Delete Pairing Records on the Headset
On standby mode, shortly press MFB to play
music.
On music playing state, shortly press MFB to
PLAY music, press MFB again to PAUSE music.
Maintenance
Answering /Ending a Call Headset(R)
On standby state or call state, you can answer/end the call by shortly
press MFB of the headset(R).
Headset(R)
Rejecting a call
Headset(R)
Press and hold MFB of headset(R) for 2
seconds to reject the call, the speaker prompts
“beep” twice and “call reject”.
The Last Number Redialing Headset(R)
Connect
Method1: Press and hold MFB for 2 seconds to power on→wait for few
seconds, the two headsets connected automatically→the headset
paired with the mobile phone that has ever paired after few seconds
→reconnected successfully.
Method2: Pick up the headsets from charging base to power on→wait for few
seconds, the two headsets connected automatically→the headset
paired with the mobile phone that has ever paired after few seconds
→reconnected successfully.
Note: The headset(R)(L)will prompt "connected", left headset prompts "left
channel", the right headset prompts "right channel". After connected
with mobile phone successfully, the right headset prompts "second
device connected”.
• Do not use abrasive cleaning solvents to clean the headset.
• Do not allow the headset to touch with any sharp objects as this will cause
scratching and damage
• Please keep headset away from high-temperature, humidity and dust.
Common Faults and Exclusion
On standby state or call state, shortly press
MFB twice to redial the last phone number. The
speaker will prompt "beep" twice and "redial".
TWS Reconnected
On OFF MODE state, press MFB button for 10 seconds (OFF
MODE→ON MODE(2 seconds)→Delete pairing records (10
seconds), until hearing the Beep voice for 3 times, and the
red/blue light flashes twice at the same time.
Two-call Handling
Headset(R)
(Only support the mobile phone who have function of handling two phones.)
When you are answering a call, there is another call coming :
1. Press and hold MFB of headset(R) for 2 seconds to end the current call and
answer another one.
2. Shortly press MFB of headset(R) once to answer another call and hold on the
current one .
3. After the above operation “2” settled, shortly press MFB of headset(R)
to transfer one call to another.
Note:
All the above operations have to respect the precondition that Phone
supported Bluetooth hands free profile V1.5 and Phones are running under call
holding function (Network services) from telecom.
Faults
Reasons
Solutions
Can not turn on
low battery protection
Charging headsets for 1 hour
Can not turn on by picking
up the headset /No indicator
light when headset being
charged
Charging base low battery
protection
Charging both the headsets and
charging base for 1-2 hours
No sounds
pairing
Wrong pairing
Pairing again
Too many pairing records
Delete pairing records according
to user manual
Charging base without
DC power supply doesn’t
indicator light when
output power
charging
Check whether the micro USB
charging line is plugged or the
power switch is on
Headsets without
indicator light when
charging
The headsets couldn’t being
charged in charging base
1)Checking headset charging interface
whether has touched to POGO PIN of
charging base and the location is
correct or not.
2)Charging for charging base
Turning
off
automatically
Low battery
Charging headset for 2-3 hours
Headset echo
Volume is too loud
environment is noisy
after
The two headsets TWS
pairing failure/TWS paired
successful but can not find
the headset(R)
or Adjust the volume at phone or
change a place
Environmental
interference Change a place or move to
caused or distance between close the headset and mobile
headset and mobile is too far
Adjusting wearing position of
Low voive of the calling
Wearing headset is wrong
headset
party
The headset reconnected The charging base without
Charging for charging base
with mobile phone after put power, the headset will auto turn
back to the charging base
on and paired
Noise in call
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
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment. 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.

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