The Targus Wireless Optical Laptop Mouse features an ergonomic design that offers support for the palm, reduces strain and is contoured for maximum comfort. - The Micro USB receiver stays plugged into your computer or is easily stored inside the mouse when it's not in use. With 2.4GHz RF technology, the wireless mouse significantly reduces cordless interference and works up to 33 feet away. - The mouse had a 1,600 DPI optical sensor and is compatible with PC, Mac and Netbooks. What's in the box x 1 Targus Wireless Optical Mouse