BAKTH High Precision Ergonomic Adjustable 6 Buttons 1600 DPI Wired USB Gaming Mouse with Optical Breathing LED 7 Colors, Weight Tuning Set Precision control with 2 DPI settings: 1000/1600 DPI. 6-buttons for superior productivity and efficiency; The function of two side keys: forward, backward. Ergonomic design, fits naturally in your hand. Simple to use -just "plug and play". No additional software or firmware required. Seven different LED breathing backlight that changes while in use, offering soothing ambient lighting. If you do not want it shining, just press the on/off switch at the bottom of the mouse. Compatible Systems: Windows 7 / 8 / 10 / XP / Vista / ME / 2000 / Mac OS and later operating system. Built-in counter weight: 20g. 1.8m rubber cable + USB interface. This product is CE FCC ROSH certified.