Break away from the touchpad on your laptop and emulate the convenience of your desktop computer with the Microsoft Wireless Mobile Mouse 4000! This BlueTrack mouse not only looks stylish, but offers outstanding performance as well. You'll love the symmetrical design, making this mouse easy to use in either hand. The customizable buttons allows you to navigate the Internet and your folders with ease. The Plug-And-Go Nano receiver is perfectly plugged in the mouse when you're on the go. You'll also experience roughly 10 months battery life. Add the Microsoft Wireless Mobile Mouse 4000 to your mobile computing experience today! Hand Orientation: Both Hands Power Supply: 1 x AA Battery Operating Time: 10-Month Battery Life - Use your mouse without power interruption for up to 10 months on a single battery. Battery status indicator tells you when battery power is low Operating System Supported: Windows 7, Windows Vista, Windows XP (excluding Windows XP 64-bit) System Requirement: 1 USB Port; CD-ROM Drive Features: BlueTrack Technology Microsoft BlueTrack Technology combines the power of optical with the precision of laser for remarkable tracking on virtually any surface.* (*BlueTrack Technology does not work on clear glass or mirrored surfaces.) Plug-And-Go Nano Transceiver Leave the Nano Transceiver plugged in when you’re on the go, or stow it in the mouse. 2.4 GHz Reliable Wireless Microsoft 2.4 GHz wireless delivers a reliable c...