How to Use the HT4189B Headphones Independently with Another Device – Avantree Support

Although this is an RF 2.4G TV set, when you switch the TV/OFF/PHONE switch on the headphones to "PHONE", they swap to Bluetooth mode, allowing you to pair them with your phone, tablet, or computer.

Step 1. TURN OFF the TV & Other Close-by Bluetooth Devices to avoid interference.

Bluetooth devices usually automatically reconnect to their last connected device. Please make sure that other Bluetooth devices are turned off to avoid interference.

Step 2. Enter the “Avantree AS9 B” Headphones into BLUETOOTH PAIRING MODE.

Switch the TV/OFF/PHONE switch from OFF to "PHONE"

Press & hold middle Multi-Function Button (the middle button, between the + and - buttons) until the LED flashes red and blue. The headphones will emit a "Pairing" voice prompt.

Step 3. Enable Bluetooth on your mobile device, then search & select "Avantree AS9 B" headphones to initiate pairing/connecting.

Once connected, the headphones LED light will turn SOLID BLUE. It’ll announce "Connected"

Reconnecting:

For subsequent uses, simply switch the TV/OFF/PHONE button to "PHONE", then select "Avantree AS9 B" in your mobile device's Bluetooth settings, and the headphones will reconnect.