Type: Neck-band headphone Microphone: 9*7/58+/-2dB Impedance: 32Ohm at 1kHz Sensitivity: 105 dB/mW Diameter: 30mm Frequency Response: 20-20,000Hz Cord length: Approx. 2.5m Weigth: Approx. 200g(without cord) Volume control & Hidden Mic. combination Rich stereo sound for PC game, music & chat support all multimedia device