Specification:1. Brand: AKKO2. Model: Retro3. Color: Pink Camouflage, Gradient4. Connection: USB 2.0 Wired5. Sensor: PMW 3320 Optical6. Micro Controller: NXP 32-Bit ARM7. Keys Button: 6 Buttons(Left Button, Right Button, Scroll Wheel, Forward, Backward, DPI)8. Switch: Omron Micro Switch9. LED: RGB Backlit10. Resolution: 500/1000/1500/2000/3000/4000 DPI11. USB Report Rate: 125/500/1000Hz12. Cable Length: 1.65M13. Dimension: 73 * 122 * 42mm14. Weight: 142gFeatures:1. Pattern is printed in the inner of the shell, which keeps the pattern color bright and not easy to fade.2. Built in pixart 3320 optical sensor and omron micro switch, 1000Hz quick response.3. RGB backlit system, and with 11 kinds of backlit display modes for option.4. Driver: Package Included:1 * Akko Retro Cat Series Pixart 3320 4000DPI USB Wired RGB Backlit Optical Gaming Mouse