Bluetooth Version: Bluetooth 5.0

Driver: 6mm nozzle dynamic driver

Frequency Response :20-20kHz

Driver Impedance: 16Ω±15% at 1KHz 1mW

Sensitivity: 92±3dB at 1KHz 1mW

Bluetooth Distance: ≤10 meters

Battery Life :8 hours ( single earphone )  24hours ( earphones plus charging case）

Charging Time: Earphone 1.5 hours   Charging case 2 hours

Battery Capacity:  Earphone 60 mAh