The Zeroground sports headphones offer professional audio performance in games. It incorporates more advanced features so players can get into the game. Has a simulated leather pillow head and earplugs, to wear for a long time without feeling oppressive. Earmuff filled hight elastic sponge, completely eliminate the phenomenon of clamping ears. Hight sensitivity to noise cancelling microphone, can eliminate the enviromental noise interference.Mic Dimensions : 4,0 x 15mm Sensitivity : 45db ± 3db Directivity : Omnidirectional Impedance : 2.2 KΩ Speaker Diameter : 50.00mm Impedance : 32Ω Frequency Responce : 20 ~ 20000Hz Max Input Power : 30mW Sensitivity (S.P.L) 105db ± 3db Cord Length : > 2.2 meters Plug : USB