Headphone
With MIC

Speaker diameter:Ф30mm
Sensitivity:108dB±3dB(at1KHZ)
Frequency response:130-16KHZ
Maximum input power:20mW
Cord length:2.2± 10% M
Plugs type: 3.5mm x 2 stereo
MIC Frequency response：30-16KHz
Microphone sensitivity：-58dB±3dB