Headphone Zeroground USB 7.1 HD-2400G KEIJI

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