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 Multi-Touch surface allows you to perform simple gestures such as swiping between web pages and scrolling through documents Magic Mouse 2 pairs automatically with your Mac Featuring a new design, Magic Mouse 2 is completely rechargeable, eliminate the use of traditional batteries