5 adjustable DPI values ( 2400, 2000, 1600, 1200, 800) resolution Optical tracking technology provides sensitivity and precise tracking on a wide range of surfaces. Meet your multiple needs, either for daily work or gaming. 2.4G wireless technology advanced 2.4GHz wireless - stable connection, precise track, Fast data transmission speed. Up to 30ft/ 10M working distance, eliminates delays, dropouts and interference, excellent wireless gaming mouse for both casual and professional gamers. Quiet button and durable clicking left and right buttons produce little noise when you click them. Perfect for public places such as offices, libraries, dormitories, internet cafes where you do not want Disturb others or Interrupt your concentration. Up to 5-million-click keystroke test. Advanced energy-saving chip multi-stage power saving mode, auto sleeping function - wireless gaming mouse will be in sleeping mode If it is not used after 8 minutes to save energy, then simply press any button to wake it up. Also extra on☀/on/off switch button at the bottom Also can be used to control with three options: mouse on with LED light/ mouse off/ mouse on without LED light. Strong compatibility Work perfectly for Windows 7/8/10/XP/Vista/me/2000/Mac10.X, etc. For Mac OS, The sided buttons are not available. ★Every product from VicTsing will enjoy 45 days money-back and 12-month worry-free warranty.