The Verbatim Wireless Mini Travel Mouse - Blue is a wireless optical tracking mouse with an ultra-portable, compact design that makes it ready for the road so it can stay at your side. This mouse features reliable 2.4 GHz wireless technology to reduce delays in cursor movement and employs a nano receiver that plugs into the USB port of your Windows 7, Vista or XP-based computer. It's powered by a single standard AAA battery, making it easy to replace the battery if need be. The portable design of the Wireless Mini Travel Mouse makes it ideal for home, office, or on-the-go use.