used with a MacBook Pro Retina 13 carefree, instead of the apple bluetooth mouse that is frankly not ergonomic. Lack of side buttons. Certainly not for gamers, but perfect in office. The Bluetooth connection allows you to switch between USB adapter, freeing up a port on the computer if the computer is already equipped. For more features, install the Logitech drivers or steermouse software (mac, paid). for basic use, no additional software is required.