Product description:
Ultra 3.8um cabon nano tube diaphragm dynamic driver.
Virtual diffusion sound field.
Support to APTX,ACC,SBC.
Battery life is around 10-14 hours while working.

Specification:
Headset Bluetooth version : 4.2
Max transmission distance : 10M
Standby time : 300-400 hours
Charging time : 2 hours
Format support : APTX,ACC,SBC
Charging port : Micro USB
Frequency response : 10-22.5kHz
Driver : 6mm dynamic
Earphone voice coil : 0.035mm CCAW
Color : Silver
Impedance: 32Ω
Sensitivity: 110 dB/mW
Waterproof performance: IPX7