- It's lighter has fewer moving parts thanks to its built-in battery and continuous bottom shell and has an optimized foot design - all helping Magic Mouse 2 track easier and move with less resistance across your desk. - The Multi-Touch surface allows you to perform simple gestures such as swiping between web pages and scrolling through documents. - Magic Mouse 2 is ready to go right out of the box and pairs automatically with your Mac. - Bluetooth-enabled Mac computer with OS X v10.11 or later - Wireless Bluetooth Connectivity - Built-in Rechargeable Battery Lighter in weight - Optimized Foot Design