Redragon M690 4800DPI Wireless Gaming Mouse for Pro Gamers, 500Hz Return Rate, 6 Adjustable DPI, and 4 Backlight Modes Gaming Mice with 7 Programmable Buttons, Adjustable up to 4800DPI optical gaming sensor and adjustable 6 level dpi setting (800/1200/1600/2400/3200/4800 DPI) Default 1200 dpi. To control your own speed freely. Ergonomically designed: strong adaptive surface gives comfortable hand feeling even after long hours using. The M690 wireless gaming mouse responds precise, fast and accurate, no need any driver, plug and play. USB Nano Receiver which can be stored in the back slot of the laptop mouse. M690 equips with 500Hz return rate. The high return rate can increase the speed of transmission between the computer and mouse. High return rate can provide best gaming performance with no delay during the game competition. 2.4G Two-way Wireless Transmission Technology: A more secure and precise experience than the traditional FM radio system with an increased working distance of up to 10 meters(approx 30ft). Compatible Systems: Windows XP/Vista/Win7/Win8/Win10/ME/2000/Mac10.x, etc. 7 programmable buttons and 4 LED backlighting models (on/breathing/7 colors in circle/off). Four Options for ON/OFF: there is a button at the bottom of the gaming mouse, four options: ON, Breathing, 7colors in circle and off.