Bluetooth Transmitter
- NO build in battery
- Use provided micro USB charging cable to power up
- Suggested power source specification: 5V 500mA - 2A
- Suggested power connection: TV USB port OR wall plug within this spec range.(Contact us at support@avantree.com for a free wall-plug adapter if you need one.)
- Power On / Off
- Power On – Switch On
- Power Off – Switch Off
Wireless Headphone
- Charging methods - Insert provided charging cable
- Battery – 550mAh build-in rechargeable Lithium polymer battery
- Fully charge time – 3.5H
- Used time after fully charged – 40H (NOTE:It is tested in 60% volume level)
- Used time for 15min charge – 2H
- Indicators
- Charging - LED on the headphone turns RED
- Fully charged - LED on headphone turns OFF.
- Power On / Off
- Power On – Press and hold the middle sliver button on the headphone until the BLUE LED lights up and starts flashing (about once every 2 seconds).
- Power Off – Press and hold the middle sliver button on the headphone until the led goes off.
Note: Starting from Batch number T23B1, the charging port on the HT41899 headphones has been changed to a Type C port.
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