ltem description from the seller
Product model: AKZ-G9
Product Type: Bone Conduction Sports Bluetooth Headset
Bluetooth version: V5.3
Battery capacity: 300mAh
Working hours: 18h
Standby time: 120h
Transmission distance: 10 meters
Impedance noise reduction: 32Ω/cvc6.0
Function introduction: Support stereo Bluetooth listening to music, external TF card, bone conduction
Product weight: 90G
Packing size: 11.7 * 15.5 * 5.5CM
The following English pictures