Enjoy reliable, transceiver-free wireless connection to your PC with Bluetooth Technology Microsoft High Definition Laser Mouse products are more precise, more responsive, and deliver smoother tracking You won't get caught with a dead battery?the Battery Status LED Indicator glows red when the battery is running low Point and click in comfort?ergonomic design helps you work longer without discomfort Use the Back button to easily navigate between folders and Web pages, or press the wheel for auto-scroll
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: Scroll Wheel Battery Status Light Back Button Soft Grip Areas On/Off Switch System Requirements: Windows Vista®/Windows XP with Service Pack 2 (SP2) or Mac OS X v.10.2.6–10.4.X 2 AAA Alkaline Batteries (included)