Pictek 2400DPI Adjustable Game Mice 2.4G Wireless Gaming Mouse with 7-Button,Quiet Button Design for Laptop Notebook PC Laptop Computer, Red 5 Adjustable DPI Switch:This wireless gaming mouse no need any driver, plug and play. 5 adjustable DPI level ( 800, 1200, 1600, 2000, 2400) to change the speed of mouse freely. Ergonomic Design: Fits naturally in your hand with no cramping. Comfortable and great hand-feeling, can be used for a long time without fatigue. Left and right buttons produce little noise when you click them Advanced Energy-saving Chip:Multi-stage power saving mode, less power consumption. There is a button at the bottom of the mouse, three options: ON, OFF, ON/light. Put it at ON/light, the LED backlight will light up. The cursor performs stably. With strong adaptive surface ability, this wireless gaming mouse works fine on many surfaces 2.4G Stable Wireless: Advanced 2.4G two-way wireless technology provides a stable and reliable connection. More secure and precise, the transmission distance can reach 10 meters. USB Nano receiver can be stored within the back of the mouse Strong Compatibility:Work perfectly for Windows 7/8/10/XP/Vista/ME/2000/Mac10.x,etc. For Mac OS, the sided buttons are notavailable