Bluetooth Version: V5.3

Transmission distance: ≤10M

Case battery capacity: 250mAh

Charging period of case: about 1.5H

Charging interface: type-c

Earbud battery capacity: 25mAh

Charging period of earbud: about 1H

Music playing time: 4-5H

Talk time: 4H

Speaker: 13mm composite film

Frequency response range: 20-20KHZ

Headphone sensitivity: 106±3dB

Microphone sensitivity: -42±3dB

Product size: 62*50*27mm

Product net weight: 49g