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Charging

When the LED starts blinking

your headphones. Please plug it into a USB wall charger (DC 5V / 0.5-2A) or a powered USB port via the micro USB

cable that we provided.

Normally it takes 2 hours to fully recharge. The LED indicator on the headphones will remain RED while charging

and automatically turn o when the charging is complete.

Turn on the headset (Non-calling Status.) Press and hold both

for 2 seconds. Now the pairing history has been cleared. The headphones will enter PAIRING MODE automatically

(LED blinks

Blue

and

Red

alternately) and you'll be able to pair it with the target Bluetooth device again.

No sound with PC?

Set Avantree AS90P as the default device or output device on the PC.

When using AS90P to make VOIP calls through apps, please set AS90P Hands-Free as Microphone and Speakers

device.

No sound with Bluetooth transmitter when watching TV?

Ensure Bluetooth transmitter and headphones are connected properly.

Check to ensure audio source is functioning properly

- AUX & RCA output on TV – test with wired headphones

- OPT output on TV – Set audio format to "PCM/LPCM" or turnoﬀ Dolby/DTS

Change your TV audio out setting to "External speakers /Headset."

Headphones do not pair with Bluetooth device?

Ensure that the AS90P is in Pairing mode – LED flashing

For Bluetooth transmitters, please ensure that the transmitter is in Pairing mode – you may refer to its user manual.

For Smart phones, tablets and PC

Turn the Bluetooth oﬀ and then on again.

Delete "Avantree AS90P" headphones from your device's Bluetooth list and try to pair again.

Clear the headphone's pairing history and pair again.

RED

once every 10s, or when you hear "beep" / prompts sound, you should recharge

and

for 5 seconds until the LED blinks

BLUE

and

RED

alternately.

PINK