GUANGZHOU U and I TECHNOLOGY BS228GB User Manual
FCC ID: 2AIXN-BS228GB
BS228GB
TWS Bluetooth Headset
User Manual
Bluetooth headset 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 headset,
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.
Specifications
Bluetooth Version：
Bluetooth Profiles Supported：
Audio Decoding Protocol：
Transmission Power：
Operation Range：
Frequency Range：
Battery of Headset：
Charging Voltage of Headset：
Charging Time of Headset：
Battery of Base：
Charging Voltage of Base：
Charging Time of Base：
Charging Headset Times from
Charging Base：
Music Playing Time：
Talk Time：
Standby Time：
Driver：
Driver sensitivity ：
Driver impedance：
Driver frequency ring range：
Dimensions of Charging
Base(mm)：
Dimensions of Headset(mm)：
Weight(one headset)：
Total Weight ：
*The time mentioned above may vary due to user's operation mode and
device settings.
V5.0
HFP, HSP, A2DP, AVRCP
SBC AAC
Class 2
Up to 10 meters
2.4GHz-2.48GHz
45mAH Li-polymer Battery
5V±0.2V
About 1.5 hours
420mAH Li-polymer Battery
5V±0.2V
About 2hours
2-3 times
≥ 6 hours
≥ 6.5 hours
About 100 hours
φ6mm
90±3dB
16Ω±15％
20HZ-20kHz
L80×W33×H33
L26×W16.6×H24.8
About 4.6g
About 42g
Structure Sketch
5
3
4
7
1
2
1）
Charging Base Opening Snap
2）Charging Base Indicator
3）Micro USB Charging Port
Headset Mode
Status No. Status Charging Base Performance
The
Single Pairing
1
headset(R)
2
TWS Pairing Mode
Standby Mode
3
Call Mode
4
Headset Charging
5
Mode
Power On State
6
Power Off State
7
Low Voltage
8
Alarm State
The indicator light of headset(R) flashes red and blue
alternately
After TWS pairing successful, 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
The indicator light of the headset flashes blue once every
5 seconds
When in a call, the indicator light of the headset flashes
red every 5 seconds
The indicator light of the headset is red when being
charged, and will turn off automatically after being fully
charged
The indicator light flashes blue for three times.
The indicator light flashes red for three times.
The indicator light flashes red once every 20 seconds
Charging Base Mode
Status No. Status Headset Performance
1.The indicator flashes red when being charged. The red
1
2
Charging Mode of
the Charging Base
Charging Base
Baterry Indication
will flash according times until the battery is up to the
corresponding level.
2. No being charged or discharging to the earbuds, the
indicator is off
3.The indicator light is red when being fully charged
The indicator flashing red once every 5 seconds means
25% battery, twice means 50% ,3 times means 75% and 4
times means full battery(100%).
4）Indicator and Mic Hole
5）MFB
6）Charging Pogo Pin
7）Ear Tips
6
Identify according to L&R and
wear the headset (R) and
headset (L) respectively
Wearing Steps:
Step①
Erect headset and place
them into the cochlea
Step②
Slightly rotate headset until it firm
Step③
Make the headset to cochlear edge tightly
Charging Ways of 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.
Charging Ways of Charging
Base
Use the USB charging
to charge
The red will flash according times
until the battery is up to the
corresponding level and will be
always on when it is fully charged,
cable
USB charging port
Use the USB cable to connect with computer
Use the USB cable to connect with
mobile phone charger
Check the charging device is suit to the headset or not.
Note 1:
Use only the supplied charger to charge the headset, if use
Note 2:
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.
A fully charged headset will lose its power automatically if left
Note 4:
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.
Do not dispose of the headset into fire or water.r.
Note 6:
Turning ON/OFF
Method
Pick up the headsets from the charging base to turn on automatically.
Put them back to power off and charge the headset.
Method
In OFF MODE, press and hold headset(R) or headset(L) MFB for
2 seconds to turn on.
In ON MODE, press and hold headset(R) or headset(L) MFB for
5 seconds to turn off.
Headset (L)
Headset (R)
TWS Pairing
Pick up the two headsets from the charging base to power on and
waiting about 10 seconds , the two headsets will enter auto-pairing
mode. The two headsets connect with each other after few seconds,
the headset (R) alternately flashing red and blue, and then open the
phone's bluetooth device to search“BS228GB”.
Note: When the first time to pairing or after delete the pairing
records, the headsets should be paired under 20cm unobstructed.
2s
In OFF state, press MFB key for 2 seconds to power on and
waiting about 10 seconds , the two headsets will enter
auto-pairing mode. The two headsets connect with each other
after few seconds, the headset (R) alternately flashing red and
blue, and then open the phone's bluetooth device to search
“BS228GB”.
Do as the above ways: 1 or 2 ,and it prompts ”Connected” after
TWS paired successfully: left headset prompts "Left connected"
and right headset prompts "Right connected-pairing"
Cell phone begins to search for bluetooth
devices (see the user guide of your phone
ON
Bluetooth
BS228GB
Connect
TWS Reconnected
Press and hold MFB of headset(R) or headset(L) for 2 seconds to
Method1:
power on→wait for few seconds, the two headsets connect
automatically→the headset
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 connect automatically→the headset
pairs 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
Connected"
instructions), and select “BS228GB” from
bluetooth device list.
Note: When the headsets TWS pairing
failures, short press the headset R and
headset L to enter TWS pairing, then pair
with phone.
(R)
pairs with the mobile phone that
, the
right headset
prompts "
Right
Connected".
(R)
Answer /End a Call
When call incoming, short press MFB of headset (R) or headset (L)
to answer the call；In call mode, short press MFB of headset (R)
or headset (L) to end the call when you hear “Call End” .
Reject a call
Press and hold MFB of headset(R) or
headset(L) for 2 seconds to reject the call, the
speaker prompts “Doo, Call Reject”.
Voice Dialing
On standby mode or music playing state, short
press the MFB of headset(L). (This function only
supports phone with voice dialing function)
Two-call Handling
(Only support the mobile phone which has the function of handling two
phones.)
When you are answering a call, there is another call coming :
Long press and hold MFB for 2 seconds to end the current call and
answer the incoming call;
Short press MFB to hold the current call and answer the incoming call;
After the second implementation, short press MFB to switch between two
calls;
After the second implementation, long press MFB for 2 seconds to end the
current call, and short press MFB to end the other call.
Note:
All the above operations have to respect the precondition
supported Bluetooth hands free profile V1.5 and Phones are
holding function (Network services) from telecom.
Music Pause/Playing
In standby mode, shortly press MFB of
headset(R) to play music.
On music playing state, shortly press MFB of
headset(R) to PAUSE music.
Volume +/-
In call mode or music playing mode, double click MFB of
headset(R) to volume up; double click MFB of headset(L ) to
volume down, once “Doo” can be heard from headset R/L when
volume is up to maximum or minimum.
Forward/Backward
In music playing mode, long press MFB of headset(R) for 2
seconds to next song; long press MFB of headset(L)for 2 seconds
to previous song.
Delete Pairing Records on the Headset
In OFF mode, press MFB of headset(R) or headset(L) for 10
seconds(OFF MODE→On Mode (2 seconds)→Delete Pairing
Records (10 seconds) until hearing “Doo” 3 times and indictors
flash red and blue twice at the same time.
Maintenance
•
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 damages.
•
Please keep headset away from high-temperature, humidity and dust.
Trouble Shooting
Trouble Reasons Solutions
Can not turn on low battery protection Charging headsets for 1-2 hours
Can not turn on by picking
up the headset /No indicator
light when headset
charged
No sounds after
pairing
The two headsets TWS
pairing failure/TWS paired
successful but can not find
the headset(R)
Charging base without
indicator light when
charging
Headsets without
indicator light when
charging
Turning off
automatically
Headset echo Volume is too loud or
Noise in call
Low voice of the calling
party
Charging base low battery
being
protection
Wrong pairing Pairing again
Too many pairing records Delete pairing records
DC power supply doesn’t
output power
The headsets couldn’t being
charged in charging base
Low battery Charging headset for 1-2 hours
environment is noisy
Environmental interference
caused or distance between
headset and mobile is too far
Wearing headset is wrong
Charging both the headsets and
charging base for 1-2 hours
Check whether the micro USB
charging
line is plugged well or
not
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
Adjust the volume at phone
change a place
Change a place or move the
headset close to the mobile
phone
Adjusting wearing position of
headset
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.
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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