Product Description: Style: Laser High-end Laser engine, precise positioning The maximum resolution is 2000DPI, freely choose 3 kinds of resolution from total 5 kinds (400-800-1200-1600-2000DPI), with DPI +/DPI - keys, quick and easy adjustment, total 3 colors show different DPI and corresponding indicator lights. Unlimited firepower keys improve game rate, feel comfortable. Total 50 keys in 5 groups, each with 10 keys, every key can custom more than 40 functions, powerful. Backlights can be adjusted, 6 colors breathing lights. Change among full colors and breathe state. Scroll wheel with backlight. Standard 8 keys and wheel up / down are user-defined keys. With driver 4 report rate choices: 125, 250, 500, 1000Hz. With onboard memory can save user-defined functions into mouse at any time. Mouse can be adjusted according to hand shape and size, free and comfortable. Create, login, save, edit the driver configuration file, set up profile for each application and apply them. More than 5 profiles can be set and saved. Cooperated driver can set the Double-click interval, the mouse pointer speed, swing speed, wheel speed. Add new combination functions in quick succession, press the function key and corresponding function, the function can apply constantly. Ergonomic design, comfortable and without fatigue Transmission mode: wired USB Tracking system: Laser Mouse size: 4.86(L) x 3.21(W) x 1.48(H)inch Mouse weight: 0.31lbs (not include inner fixed weight block) Resolution: 2000DPI Mouse button: 8 (Include DPI+/DPI-/forward/back/firepower key) Key route: 0.8mm Key force: 65+/-5g Key life: 5 million times Working voltage/current: DC 5V/< 150mA Supporting system: Windows ME/2000/XP/Vista/7/8 Certification: FCC / CE