Microsoft Wireless Molbile Mouse 4000

The Microsoft Wireless Molbile 4000 is a sporty, stylish little mouse that goes wherever you do. BlueTrack Technology - Microsoft BlueTrack Technology combines the power of optical with the precision of laser for remarkable tracking on virtually any surface. 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 connection with up to a 30-foot range, with virtually no interference. 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. Windows Flip in Windows 7 Easily switch between open windows with the click of a button.