Bluetooth version: Bluetooth 5.0

Chip: QCC 3020

Supported protocols: A2DP, HFP, AVRCP, HSP

Working frequency: 20HZ-20KHZ

Horn diameter: 10mm

Speaker impedance: 16 ohms

Battery: Lithium polymer battery, 180mAH

Music playback time: approximately 12-16 hours

Talk time: approximately 16 hours

Standby time: approximately 120 hours

Charging time: about 2 hours

Charging port: TYPE-C

Headphone call noise reduction: supports

Headphone call mute: Supports

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