Magic Mouse 2 is completely rechargeable, so you?ll eliminate the use of traditional batteries. Its 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. And 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.