Bluetooth version: Bluetooth5.2

Supported protocols: A2DP, HFP, AVRCP, HSP

Chip: QCC 3040

Operating frequency: 20HZ-20KHZ

Speaker diameter: 10mm

Speaker impedance: 32ohm

Battery: lithium polymer battery, 200mAH

Music playback time: about 18 hours

Talk time: about 20 hours

Standby time: about 120 hours

Charging time: about 2 hours

Charging port: TYPE-C

Headset one for two: supported

Headset call noise reduction: supported

Headset call mute: supported