USB audio adapter includes a stereo headphone output jack and a mono microphone input jack. It can bypass the defective sound or the faulty 3.5mm audio port of your laptop, desktop system and regain the audio function for you. Features - Material: Aluminum Alloy. - Durable aluminum alloy material made the USB to headphone adapter compact and lightweight. - Come with microphone and headphone jack. No drivers needed. Fully . - Enable USB connectivity with your existing 3.5mm audio headphones, headset, speakers, or microphone. - The audio adapter is the best entertainment for Game, DVD, music. - Perfect for bypassing a faulty sound cards, audio port, or as a replacement for a broken USB audio adapter. Package list: 1 x USB Audio Adapter