Bluetooth version: Bluetooth V5.3

Supported protocols: MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC

Chip: JL AC7003F

Working frequency: 20HZ-20KHZk

Horn diameter: 16mm

Speaker impedance: 22 ohms

Speaker power: 8mW

Battery: Lithium polymer battery, 180mAH

Music playback time: 11 hours

Talk time: 13 hours

Charging time: 2 hours

Charging port: TYPE-C

Headphone type: binaural air conduction

Weight: 28 grams

Dimensions (length * width * height): 125 * 108 * 52mm