Product information:
Transmission range: 10 meters
Function: battery display, call function, NFC function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
How to use: head-mounted
Single or dual ear: bilateral stereo
Color: black, white, red, gold
Bluetooth frequency: 2.402-2.480GHz
Frequency response: 20HZ-20KHz
Output power: 35mW
Signal to noise ratio: 88Db
Charging time: within 1 hour
Packing list: Bluetooth headset*1