Headphones

*Plug: 3.5mm plug
*Impedance: 32 /300 ohms
*Speaker: φ40mm
*Sensitivity: 100 ±3dB /mW at 1KHz
*Frequency Range: 20 - 20,000Hz
*Channel Balance: < 3dB
*Distortion Rate: < 1%
*Cord length: 1.2m
*Packing: 1pc/polybag.