Over-ear, Bežične, 2.4GHz Wireless and up to 30 hour battery2, HyperX 7.1 Surround Sound, Signature HyperX Comfort, Durable, aluminum frame, Detachable, noise-cancelling mic and Built-in mic monitoring, Dynamic, 53mm with neodymium magnets, Circumaural, Closed back, Frequency response 15Hz–20kHz, Impedance 60 Ω, Sound pressure level 104dBSPL/mW at 1kHz, T.H.D. ≤ 1%, Electret condenser microphone, Polar pattern, Bi-directional, Noise-cancelling