Connectivity Technology: Wireless Interface: 2.4 GHz, Bluetooth 5.0 Movement Detection Technology: Optical Buttons Qty: 3 Movement Resolution: Adjustable at 1000, 1600 (default), 2400 and 4000 Features: 4 DPI levels, Swift Pair Battery: AA type Color: Black OS Required: 2.4Ghz - Windows 7, Windows 8.1 and 10; Mac; Linux (Red Hat Enterprise 8.0 /Ubuntu 18.4); Chrome; Android OS Bluetooth - Windows 8.1 and 10; Mac; Linux (Red Hat Enterprise 8.0 /Ubuntu 18.4); Chrome; Android OS Dell Peripheral Manager - Windows 7, Windows 8.1, 10 or later