USB 2.0 External Audio Card 3D Stereo 7.1 Sound Adapter with Volume Control Panel Microphone Mute Button Splitter Black USB HubUSB 2.0 Card Audio External Hi Quality 3D 7.1. USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with Desktop or Notebook systems, Bundled with Xear 3D Sound simulation software, It turns your stereo speaker or earphones into 7.1 channel environment. Specification: USB Sound Card 7.1. Built with 4 buttons volume adjustment, mute sound, mute microphone. 2 LED indicators Microphone Mute Status, activity. Size: Abou 57 x 25 x 13 mm. Connectors: 2 x Mini Jack 3,5mm. 1x USB 2.0 USB bus-powered, no external power required. Plug and Play. Compatible: Windows XP / Vista / 7 / 8 / 10, Linux, MacOS 10 or higher. Bulk version shipping without packaging, sent in an envelope and a plastic bag. Package content: 1x USB Sound Card. 2171