Thermaltake Chronos USB AD Ear-Cup Headset - Black Color - Diamond Black Connector - 3.5mm Plug X2 And Usb Plug X1 Driver Unit (Mm) - 40mm Neodymium Magnet Channel - Stereo Frequency Response - 20hz-22khz Impedance - 32 Ohm Sensitivity - 98 Plus/- 3 Db Max Input - 100 Mw Cable Length - 2.0 Meters Plug Andplay Microphone - Yes External In-Line Controller - Yes Mic Directivity - Omni-Directional Mic Sensitivity - -42db Plus/- 3db Mic Frequency - 100hz-10khz Mic Impedance - M 2.2kohm Accessories - Warranty Card X 1, Mobile Device Cable X 1, 3.5mm Plug And Usb Plug Cable X 1 Weight(G) - 321 What's in the box Thermaltake Chronos USB AD Ear-Cup Headset - Black , Warranty Card X 1, Mobile Device Cable X 1, 3.5mm Plug And Usb Plug Cable X 1