Compact wireless optical mouse with in-mouse storable micro receiver and high 1000 DPI resolution. Accurate and high precision BlueSpot sensor that works on virtually all surfaces like wood, granite, carpet, black, white etc.. 2.4 GHz technology for smooth movement and 6 meter range. Ultra small USB receiver: Plug it in once and never take it out again. Special button to switch sensitivity for normal (500 dpi) and high speed (1000 dpi) movement. Ergonomic design with rubber coated edges for a firm grip. Side buttons for easy web exploring (page back/forward). Compact design takes up limited space in notebook bags. Just plug-in and start: no driver needed.