With its metal scroll wheel, the Microsoft Modern Mobile Mouse Hand Use Design PINE: Two buttons, right and left clicks on the scroll plane, Bluetooth® 4.1/2.4 GHz frequency range, PINE, Windows 11 Home/Pro, 10, 8.1, and 8* The host needs to be able to connect to Bluetooth® 4.0 or later. (Note: Bluetooth 4.0 is not supported by many Apple and Windows 7 devices). powered by two AAA batteries, one year