Specification: 1. Brand: RAJFOO
2. Model Number: King Kong
3. Color: Black / White
4. Connection: Wired
5. Interface: USB
6. Power: 5V / 100mA
7. DPI: 1000 / 2000 / 3000 / 4000DPI
8. Number of Buttons: 7 (Left Button / Right Button / Wheel / DPI Button / Firepower Key / Forward Key / Backward Key )
9. Operation Mode: Laser
10. Dimension: 123 x 79 x 40mm
11. Supported Systems : Win XP / VISTA / Win 7 / 8 Features: 1. Laser engine design, provides high-precision position and track.
2. Mouse itself provides 4 DPI defaults to shift, and you could also customize DPI from 250-4000DPI segment value.
3. Cool appearance with 7 color breathing backlight, creating a unique atmosphere of the gamer.
4. Equipped with a firepower key, one click equals triple click the left button.
5. 4 pieces of 5g independent counterweight module, free to decide the weight of the mouse.
6. Perfect ergonomic anti-fatigue design, feel more comfortable in wandering the game world. 7. Custom Macro programme, function keys up to you. Notes: If you want to customize the DPI and set the function of each key, download this corresponding drivers below. https://drive.google.com/open?id=0BzfdkmJGCQPSaWgwa09BN2hPbVE Package Included: 1 x RAJFOO Adjustable 4000DPI 7 Keys USB Wired Laser Gaming Mouse Support Macro Setting