Description The USB 7.1 channel sound adapter is a highly flexible audio interface, which can be used either with Desktop or Notebook system. It turns your stereo speakers or earphones into a 7.1 channel audio environment. No drivers required, just plug and play for instant audio playback, also compatible with all major operation systems Wireless Mouse : Fly through long documents and Web pages with a single spin. Or use click-to-click scrolling for the precision you need when navigating lists, slides, and images. In-Ear Headphones with Mic Compatible with smartphones, tablets and PC 3.5 mm headphone plug Unique in-ear design Volume control Listen to music or talk on the phone