HT41899 - Power & Charging Related

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.