Premium mouse/trackpad/designed for Ultrabooks: Brushed metallic body and silky-smooth touch surface perfectly complement the sleek look of your Ultrabook. Ultra-portable: Super-thin design slips easily into a computer sleeve or the pocket of your jeans. Windows/mac touch gesture support: Simplifies touch navigation with natural, intuitive gestures. Bluetooth wireless pairs multiple devices: Connects to your Ultrabook, tablet and desktop PC with easy switching between devices. Charge over USB. Only takes a few minutes to charge your mouse for few hours if you need to use it immediately. Fully charged battery lasts for a long time.