9
Use the headphone independently with cellphone
Headphone can be separately used with cell phone, please follow the step-by-step instruction below
：
· Ensure the transmitter is off.
· Enter the headphones into
PAIRING MODE
- from its OFF state, press and hold the MFB for 5 seconds until
the LED flashes
RED
and
BLUE
alternately, and you hear “Pairing” from the headphones.
· Turn on Bluetooth on your smart phone/tablet. Find & select “Avantree AS9S” to pair and connect.
The next time
, you want to use your headphones in this way you will need to select “ Avantree AS9S” on
your smart phone /tablet to reconnect.
Clear paired history
Clear the paired history of the transmitter
After power on, press and hold BOTH and together for 7 seconds, both will be on
BLUE
for 2 seconds,
then enter pairing mode automatically, close to flashes
RED
and
BLUE
alternately.
Clear the paired history of the headphones
After turning on, press and hold both “+” and “-” for 10 seconds until the
RED
and
BLUE
LEDs are BOTH on
for 2 seconds (looks
PINK
) - now all the paired history of the headphones is cleared. It then enters pairing
mode automatically with the LED flashing alternately
RED
and
BLUE
.
Headphone charging
Please charge the headphones if you hear the “low battery” voice prompt. You can charge using a phone
charger (5V/500mA-2A output), PC USB port, TV USB port or any other USB outlet using the included USB
cable.
It takes about 3.5 hours to fully charge the headphones. The LED will turn
RED
during charging and auto-
matically turn off once charging is complete.
Troubleshooting
BLACK headphone fails to reconnect to the transmitter
Normally, click once , it will reconnect to the transmitter. If it fails, then:
Step 1
- Manually enter both the BLACK headphone and transmitter into PAIRING mode to connect them.
Once connected, close to turn solid
BLUE
.
Step 2
-Press and hold for 10 seconds to LOCK them, once successfully locked, close to lights up
PINK
for 5 seconds.
Cannot adjust volume on headphone
Click +/- to raise or lower volume.
1) Do not click the button too fast;
2) do not press and hold the button .
One will hear “beep” when the volume reaches maximum.
More FAQs on https://avantree.com/product-support/BTHT-41899-BLK
