Product information:
Transmission range: 10 meters
Function: battery display, call function, voice control, support music, ANC active noise reduction
Bluetooth Protocol: .0
Channel: Stereo
How to use: head-mounted
Battery life: 20 (hours)
Charging voltage: 5V/1A
Charging time: about 2.5H
Bluetooth battery life: about 30H
Noise reduction battery life: about 60H
Bluetooth + noise reduction battery life: about 25H


Packing list:
Wireless Noise Cancelling Headphones*1
USB charging cable*1
3.5MM audio cable*1
Instruction Manual*1
Storage box*1