iMICE X7 Optical Gaming Mouse USB Wired 4 Gears 2400DPI Adjustable Ergonomics Colorful Backlight 7 Buttons Mice Specification: Brand: iMICE Model: X7 Colour: Black Working Method: Optical Connection With Computer: Wired Interface: USB Adjustable Resolution: 4 Gears DPI: 800-1200-1600-2400DPI Number Of Keys: 7 Breathing Light: 7 Color LED Breathing Light Effect Ergonomics: Support Cable Length: 1.8m/5.91ft Product Size: 130 X 86 X 39mm/5.12 X 3.39 X 1.54" Product Weight: 138g