Havit 2.4G Wireless Mouse 2000DPI Optical Mini Portable Mobile with USB Receiver, 3 Adjustable DPI Levels, 4 Buttons for Notebook, PC, Laptop, Computer, MacBook (Black) MINI COMPACT SIZE - 3.89"*2.55"*1.44" Mouse body, especially design for small right hand. Thanks to its extra-portability pocket-sized, you can take the wireless mouse wherever with your laptop. 2.4GHz WIRELESS - A more secure and precise experience with an increased working distance up to 15m/49FT. 3 ADJUSTABLE DPI LEVELS - Select your preferred cursor speed, 1000/1500/2000 DPI, Plug & play - no need to install a driver. (NOTE: THE USB RECEIVER IS INSERTED AT THE BUTTON OF THE MOUSE, PLEASE TAKE IT OUT BEFORE USING. LOW POWER CONSUMPTION - If no operation for 10 minutes, the mouse will turn into sleep mode automatically to save energy, press any button to wake it up. Note: powered by 1*AA battery (not included). WIDE COMPATIBILITY - Well compatible with windows 2000/XP/Vista/ Windows 7/ Windows 8/Windows 10/linux/mac. Fits for desktop, laptop, PC, Macbook and computer 2000 DPI Resolution Optical Sensor 3 Adjustable DPI Resolution(2000/1500/ 1000 DPI) Simple and Durable Design Smooth and Accurate Movement Red Brown Cyan Blue White Black