Wired mouse, comfortable touch. Plug and play mode, no need driver Human Design will make your wrist comfortable when using mouse. Perfect for Optical Mouse &Trackball Mouse & Mechanical Mouse & Vertical Mouse Previous and next page buttons for hi-speed web, files browsing and work flow, perfect for gaming enthusiast, programmer, office staff, teen Internet surfer and people who sit at length at computer. This vertical optical mouse is ergonomically designed to alleviate strain on wrists with cozy comfortable pinky finger & thumb rest and a full contour shape seamless palm supporting, healthy and efficient.