Color Black + Blue Brand SADES Model A30 Quantity 1 Piece Material ABS + Aluminum alloy + PU Shade Of Color Black Interface USB 2.0 Wireless or Wired Wired Powered By USB Headphone Frequency Response 20Hz~20KHz Impedance 32 ohm Microphone Frequency Response 50Hz~10KHz Sensitivity 112dB +/- 3dB Sound Card No Transmition Distance 2.2M Other Features Microphone Dimension: 6.0 x 5.0mm; Sensitivity: -44dB +/- 3dB; Driver Diameter: 40mm; Ergonomic design for comfortable wear; Headband multipoint stress suitable for long time wear; High quality ear cushions soft and breathability; High fidelity microphone; Chariot shape line control design convenient to use; Perfect for computer games. Certification CE RoHS Packing List 1 x Headphone (220cm-cable) 1 x Sticker 1 x Chinese & English user manual