Headphone Stereo Golden Plug with 40mm Speaker Driver Fabric Coating Headset with body Frequency: 20-20.000Hz Speaker diameter: 2*40mm Sensitivity at 1KHz: 110+5Db Impedance: 32 Ohms + 15% Maximum Power input: 100Mw Plug: 3.5mm Stereo Golden Plug Cable Length: 1.5m Color: Red