New Back Mounted Sports Headset $ 8.11 Product information: Type: Wireless Headset type: Headset How to wear: rear-hanging Plug type :USB Frequency response range :20-2000 (Hz) Impedance :32 () Sensitivity :40 (dB) Distortion rate :0.02 (%) Wire length :0.5 (m) Horn Diameter :15 (mm) Material :ABS Packing list: Headphones X1PCSProduct Image:
