The Microsoft Wireless Mobile Mouse 4000 BlueTrack is a versatile mouse designed for use on any surface. With a maximum DPI of 4000, it offers precise and smooth tracking. Its wireless connectivity allows for freedom of movement, while the BlueTrack technology ensures accurate and effortless navigation. Compatible with both PCs and Macs, this mouse is a convenient and efficient choice for users looking for a reliable and high-performance option for their computing needs.