Stereo Mobile Headphones With Mic Wireless Headset Music Phone Calls

Wireless or Wired: Wireless Headset
Is There A Microphone: Yes 
Sounding principle: Moving Coil
Frequency Response Range: 20-2000HZ (Hz)
Impedance: 32 (Ω)
Sensitivity: 108±3dB (dB)
Distortion Rate: 3 (%)
Wire Length: 1.5 (m)
Horn Diameter: 40 (Φmm)