头戴式耳机

Driver Unit:Φ40*2

Frequency Response:20-20KHz 

Impedance:23Ω±15% at 1KHz

Sensitivity:98±3dB at 1KHz 1mW 

THD:≤3% at 1KHz 1mW

Max Input Power:40mW

Bluetooth ver.: V4.1

Chip:CSR+AMS

Working time:20hrs(70%volume)

Standby time:Around 400 hrs   

Charging connector0:Micro USB

Charging time:Around 2 hrs