Features:

• BlueTrack technology: For pinpoint accuracy on almost any surface.
• Backpack mode: Automatically powers down the mouse after 30 seconds when your laptop or tablet is hibernating to help conserve battery life.
• 4-way scrolling: Via a sleek touch strip, which allows you to scroll vertically or horizontally and use gentle swipes or quick flicks for versatile navigation.
• Designed for Surface Windows 8 Pro and Surface Windows RT.
• Bluetooth connectivity: Allows wireless operation with Bluetooth-enabled devices, including a variety of Android tablets, for wide-ranging use.Related Products. 1 Year Manufacturer's Warranty