Upgraded version of IC has a strong compatibility, plug and play, does not appear ordinary poor mouse "can not identify" "compatible error" "no response" and so on.Roller below the strip button is DPI adjustment keys, adjustable mouse movement speed 800-1200-1600DPI, arbitrary adjustment for your sensitivity.Integrated silent mute button, the use of time will not affect the family rest or roommate, allowing you to enjoy leisure time anytime, anywhere. Mouse with sleep power-saving system, 2 minutes without the mouse will enter the sleep mode.