Go Mini! The Wireless Mini Travel mouse features an ultra-portable design and 2.4Ghz wireless connection, ideal for on-the-go use. The 2.4GHz wireless performance allows for lag-free cursor movement. The mouse connects to the computer via an ultra-small nano receiver, tiny enough to plug in and leave connected, and stores conveniently in the mouse when not in use. 1000 DPI offers higher precision and accuracy when clicking. The Verbatim Wireless Mini Travel Mouse is backed by a 1-year limited warranty. Technical Information: InterfaceUSB Type-A Operating System: Windows XP, Vista, and Windows 7 and higher;Mac OS X 10.4 and higher;Linux Kernel 2.6 and higher Contents: Mouse, Nano Receiver, 1 x AAA battery Features: Ultra-portable design - ideal for on-the-go use. 2.4Ghz wireless connection for lag-free performance. Plug-and-forget nano receiver connects mouse to computer - receiver conveniently stores in mouse when not in use. 1000 DPI - higher precision and accuracy when clicking. Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a 1 year limited warranty and technical support.