Astrotek USB Sound Adapter 7.1 Channel – Extend a Mic-in and audio-out to your PC/Notebook/2in1 via USB ABS Shell USB Sound Adapter 7.1 Channel 1-Extend a microphone-in and an audio-out port to your computer 2-Give your computer totally a new Sound card 3-USB 2.0 to standard 3.5mm headset/headset interface Microphone and headphones soundbox female port 4-No external power supply needed,Plug and play 5-Support for multiple operating systerms,Compatible with Windows XP/Vista/10/8/7,Linux. 6-Packing:1 pc each giftbox 7-Ic clip:HF8103 8-Color:Only white