USB Sound Adapter, EC Technology Aluminum External USB Sound Card Audio Adapter with 3.5mm Stereo Headphone/Speaker and Mono Microphone Jacks for Window XP/Vista/7/8, Mac OS 8.6 or Above- Silver C Media chip inside enables USB connectivity with your existing 3.5 mm audio headphones, headset, speakers, or microphone. Perfect to bypass a faulty sound card, audio port, or as a replacement for a broken USB audio adapter. No driver required, just plug and play! Compatible with any standard USB Audio Class enabled system including Windows XP through 8.1 and Mac OS X. Adapter is lightweight, extremely compact, and constructed of durable aluminum in a black finish. USB bus-powered, without an annoying cable. No external power required.