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.)
Snap-in Mini-Transceiver
Stows conveniently under the mouse; automatically turns the mouse on and off for up to 8 months of battery life.
Tilt wheel and More
Fully featured mouse with 4-way scroll, 5 programmable buttons, rubber side grips, and Magnifier.
Media Center
Control media playback from your keyboard.