Bluetooth Headphone                                                               

  Battery Capacity:400mAh 

Driver Diameter:Φ40mm 

Sensitivity:115B±3dB

Power Supply: 5V DC

Receiver Distance:10m

Bluetooth Verison:V5.4

Charging Time:1-2H

Playing Time:35H

Charging Port:Type-C 

Function: TF, FM, BT, voice call