USB Wired 7 keys 2400DPI Optical Gaming Mouse 7 LED Breathing Light for PC -precision optical tracing engine, precise positioning. Resolution reaches up to 2400DPI. Adjustable resolution features among 800 / 1200 / 1600 / 2400 DPI. 7 buttons, including scroll wheel, fire key, left button, right button, advance, retreat, DPI switcher. Total 7 bright colors showing in turns, give you a colorful visual effect. Ergonomic shape, special feel good. Compatible with Windows 98 / XP / Vista / 7 / 8 or latest. Intelligent connectivity, no need to code, plug and play. Suitable for high-end players, gaming professional players. Specifications: Connection way: USB cable. Tracking systems: Optical. Max DPI: 2400DPI Supported system: Windows 98 / XP / Vista / 7 / 8 LED light colors: 7