Featuring a new design, Magic Mouse 2 is completely rechargeable, so you'll eliminate the use of traditional batteries. Pairs automatically with your Bluetooth-enabled Mac computer with OS X v10.11 or later,Built-in rechargeable battery, lasts over 1 month on a single charge, Lightning-to-USB Cable Included. System Requirements : Bluetooth-enabled Mac computer with OS X v10.11 or later, Connections and Expansion:Bluetooth,Lightning port,Wireless