Brand: TKZK Model: Wave Driver Configuration: 1 (10mm) Dynamic Driver + 1 Balanced Amature Frequency: 10-40Khz Sensitivity: 110 +- 3dB@ 1K Hz V0.126V Impedance: 22Ohm +- 15% Max Distortion: 3%@1kHz 0.126V Plug: 3.5mm Gold Plated Plug Wire Length: 1.2m