CableCreation USB audio adapter adds 3.5mm audio jack to computers; provides an alternative solution for a failed original sound card; works as an audio splitter for an audio output plug and microphone input plug. Stream music in stereo through audio-out jack (black color). Audio-in jack support TRRS(with mic) and TRS(without mic) earphone; microphone jack (pink color) supports mono input. Please note that microphone jack does not support Apple earphone. Plug-n-play with no external power required. Small body doesn’t block other USB ports when plugged in computer. Simple to store and easy to carry. Support USB 2.0 Full Speed (12Mbps) Specification, compatible with Win7, Win8, Win XP, Vista, Mac, Linux; Durable ABS material, Ports are color coded, black for headphone/ speaker and pink for the mic CableCreation provides 2 year warranty and lifetime technical support.