Key Advantages 4 DPI and 6 Buttons: Bluetooth mouse has 1600-2400-3200-5500DPI. 7 efficient buttons and 5 adjustable DPI level that allow you to freely control the mouse speed. Connects directly to Bluetooth-enabled device laptop computer or PC without the need for a receiver. ERGONOMIC GAMER MOUSE; Delivering an extremely comfortable and precise experience for Computer Games. The ergonomic shape of the EASYIDEA PC Gaming Mouse is built for comfort, fits naturally in your hand, the buttons are tuned to reduce click fatigue 7-Color Changeable Backlight7 different LED light colors that change while in use, offering soothing ambient lightingNote: Changing colors automatically and not stay at one color, the led can not be programmed and it will change regularly with 7 colors.Reassuring LED lighting, more transparent light effect, suitable for demand for more types of games, makes your mouse multi-colored and Imagination cool colorful . Features Type: Wireless gaming mouse, Bluetooth gaming mouse Buttons: 7 buttons Max DPI: 5500 DPI Ajustable DPI Switch: 1600-2400-3200-5500DPI Switch Life: 5 million cycle Size: 130*86*39mm Compatible :Windows XP, Vista, Windows 7/8, MAC... User for: The high-end players & gaming professional players