Bluetooth version:Bluetooth5.0

Chip:QCC 3020

Supported protocols:A2DP,HFP,AVRCP,HSP

Working frequency:20HZ-20KHZ

Horn diameter:10mm

Speaker impedance:16ohm

Battery:lithium polymer battery,180mAH

Music playback time:about 12-16 Hours

Talk time:about 16 Hours

Standby time:about 120 Hours

Charging time:about 2 Hours

Charging port:TYPE-C

Headphones one for two:support

Headphone call noise reduction:support

Headphone call mute:support

Wireless transmission distance:10-15 meters(open space)

Weight:11g