Optical Vertical Mouse Ergonomic Wireless Black

Rapid Responsiveness Optical tracking tech. allows higher sensitivity for extra-precise tracking. One button switchable between DPI levels 1000, 1200, 1600 to adjust cursor speed to suit various usage scenario., Upgraded Functionality 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., Quick Access 2.4GHz wireless tech. enables it work in a superior fast non-interference way without shackles of messy cables. Just simply plug into the Nano receiver, it works in a in ultra high efficient way., Smooth Pads Flat and smooth pad made of special material. Never lose control and abrasive resistance has been improved greatly.