Users Manual

Pairing Method
Bluetooth
ON
Connect
BS251FL
TWS Reconnected
Method1:
Method2:
Answer /End a Call
Reject a call
Music Pause/Playing
Volume +/-
/Next SongPre
Delete Pairing Records on the Headset
Maintenance
Trouble Shooting
Trouble Reasons Solutions
Headsets always flash
white/The headset can’t
reconnect/ The headsets
make sizzling sound/
Can't operation
Not turn on by opening
charging base lid or
touch the panel
Headsets crash
Low battery
Turning off automatically
No sound on one
headset after connecting
Low battery Charging headset for 1-2 hours
Headset echo Volume is too loud or
environment is noisy
Adjust the volume at phone
change a place
Noise in call
Pairing wrong Delete pairing records and
pairing again
Too many pairing records Delete pairing records and
pairing again
Headsets without
indicator light when
charging
The headsets couldn’t being
charged in charging base
Connect fail Delete pairing records and
pairing again
1)Checking headset charging
interface whether has impurities
and touched POGO PIN of
charging base the location is
correct or not.
2)Charging for charging base
Put the headsets into the
charging base and close the
lid,wait for 20 seconds to reset
the headset
Charging headset for 1-2 hours
TWS paired successful
but can’t find the
headset(R)
No sounds after pairing
Wearing headset is wrong Adjusting wearing position of
headset
Environmental interference
caused or distance between
headset and mobile is too far
Change a place or move the
headset close to the mobile
phone
Remove the impurities after
taking out the headsets, closing
and opening the charging base
lid
Double or triple touch operate
need to be within 700ms/ touch
fail need to put in the charging
case to activate and headset
won’t power off
The Indicator light of
Charging base flash red
once every 1 second
Not work when touch
the panel
Checking headset charging
interface whether has
impurities causing a large
over current in the charging
short-circuit current protection
Touch operation time is too
long or touch failure
Low voice of the calling
In music playing mode, double touch the panel of headset(R) to
next song;
double touch the panel of headset(L) to previous song.
Do as the above ways:
Using Bluetooth device to search “BS251FL”
(Please refer to the Bluetooth device user
manual), and select from Bluetooth device
list. After connected with Bluetooth device,
the headset will prompt “connected”.
Long touch the panel of headset(R) or headset(L) for 2
seconds to power on→wait for few seconds, the two
headsets connect automatically→the headset(R) pairs
with the mobile phone that has ever paired after few
seconds →reconnected successfully.
Open charging base lid to power on→wait for few
seconds, the two headsets connect automatically→the
headset(R) pairs with the mobile phone that has ever
paired after few seconds→reconnected successfully.
Open the charging base lid with headset inside, long press the
charging base button for 10 seconds, the headset indicator
flashes white 5 times and charging base light flashes red for 3
seconds to reset.
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.
On music mode, single touch the panel
of headset(R) or headset(L) to pause or
play music.
Long touch the panel of headset (R) or
headset (L) for 2 seconds to reject the
call.
In connection mode, long touch the panel of headset(R) to volume
up (every 0.6 seconds, the volume increases by one);
long touch the panel of headset(L) to volume down(touch 0.6
seconds, the volume decreases by one).
When the volume is up to maximum, you will hear “Di” once from
headset. When the volume is down to minimum, you will hear “du”
once from headset.
TWS pairing
Connect with Bluetooth Device
Enter TWS Pairing Mode by Manual
Two Call Handling
When you are answering a calling, and there is another calling:
1. Long touch the panel for 2 seconds to end the current call and
answer another one.
2. Double touch the panel to answer another call and hold on the
current one.
3. After the above operation “2” settled, double touch the panel to
transfer one call to another.
4. After the above operation “2” settled, touch the panel for 2
seconds to end the current calling and double touch the panel to
end another one.
Note: The mobile should support HFP 1.5, and the call waiting
(Internet service) function of the mobile phone must be enabled.
Voice Dialing
Triple touch on the headset (L) to activate the voice assistant, triple
touch to turn it off.
1. Long touch the panel for 2 seconds,
the headset into pairing mode
automatically, after waiting for few
seconds, the two headsets will
automatically pair, then open the
phone’s Bluetooth function to search.
2. Open the charging base lid to power
on and the two headsets will enter
auto-pairing, after waiting for few
seconds, the two headsets will
successfully pair, then open the phone’s
Bluetooth function to search.
1. In TWS connection state, after
successfully connected with Bluetooth
device, the headset prompt “connected”
the indicator flashes white once every 5
seconds.
and it will enter into TWS pairing mode. If the headset doesn’t
connect with any bluetooth devices within 5 minutes, the headset
will power off automatically. The headset prompts “Pairing” if into
pairing mode, the master headset flashes white once every 1
second, slave headset flashes white once every 5 seconds.
2. Disconnected with bluetooth device,
the headset prompts “disconnected”
Note: When the TWS successfully paired, the headset prompts
"TWS connected", and then enters phone Pairing mode, prompting
"Pairing", the master headset flashes white once every 1 second,
the slave headset flashes once every 5 seconds, if TWS cannot pair
successfully, it will power off automatically after 5 minutes.
In TWS pairing Mode, long touch the panel for 3 seconds into Single
Headset Pairing Mode, user can use phone to find and connect at
this time, the indicator light flashes white once every 1 second.
When call incoming, double touch the panel of headset (R) or
headset (L) to answer the call.
During calls, double touch the panel of headset (R) or headset (L) to
end the call.
FCC WARNING
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.
Any changes or modifications not
expressly approved by the party
responsible for compliance
could void the user's authority to
operate the equipment.
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. The device
has been evaluated to meet general RF
exposure statement.
The device can be used in portable
exposure condition without restriction