The PC161 stereo multimedia headset is specially designed for professional computer eSport Gamers, featuring XXL size ear caps and an open-air speaker system to provide the ultimate PC gaming sound acoustics. Open air speaker system to provide great Sennheiser sound acoustics, ideal for professional gaming Headphones Frequency Response - 15 - 23,000 Hz Impedance - 32-Ohms Sound pressure - 118 dB Microphone Frequency response - 80 Hz - 15,000 Hz Sensitivity - 38 dBV/Pa Impedance - 2k-ohms 10-feet (3m) Cable Length Connector plug - 2x 3.5mm for PC/Laptop