From the ManufacturerOverview: Enjoy wireless freedom with the Microsoft® Bluetooth® Notebook Mouse 5000 no transceiver to connect or lose! Keep USB ports free for other devices. And, take it with you in a convenient carrying case (included). Features: Exclusively for Bluetooth PCs Transceiver-free and confident wireless connection to your Bluetooth PC. Microsoft High Definition Laser Technology More responsive, more precise, and smoother tracking (compared with standard laser products). Battery Indicator Battery light indicates when your battery is running low; an on/off switch helps you conserve power. Comfort Ergonomist-approved ambidextrous design provides comfort in tight on-the-road situations. 4 Buttons Use the Back button to easily navigate between folders and Web pages, or press the wheel for Auto-scroll. Additional Features (more…)