FeaturesHigh-profile design with enhanced palm support. Excellent control for all  grip styles.Switch easily between multiple lighting schemes with just a button press.Advanced customization software, including DPI support up to 6400 DPI.SpecificationsSensor: OpticalDPI: 800-1600-2400-3200-4000-4800Buttons: 7 (programmable)Switch rating: 3 million clicksBacklight: RGBInterface: USB 2.0Cable length: 1.6 mSize: 131 x 70 x 42 mmOS support: Windows 7 or newer