Package List 2 x USB Audio Adapter Features - Material: Aluminum Alloy External USB Sound Cards. - The audio adapter is the best entertainment for Game, DVD, music Aluminum USB Audio Adapter. - for bypassing a faulty sound cards, audio port, or as a replacement for a broken USB audio adapter headphones adapter. - Enable USB connectivity with your existing 3.5mm audio headphones, headset, speakers, or microphone USB adapters. - Durable aluminum alloy material made the USB to headphone adapter compact and lightweight External Sound Cards. - Come with microphone and headphone jack. No drivers needed. Fully Drive- Adapter.Goods Descriptionheadset adapter USB audio adapter includes a stereo headphone output jack and a mono microphone input jack.sound It can bypass the defective sound or the faulty 3.microphone adapter 5mm audio port of your laptop, desktop system and regain the audio function for you