Home I MAC-M211W wireless optical mouse package contents: system requirements: HAC « wirehairs optical rose 56 X10.4 or tier « USB-A eno resetting USE port USE adapter oc + 2 AAS batteries Windows X8, * quick start guinea Vista, or Windows 7-10 WSB port GET TO KNOW YOUR MOUSE RIG Lie mmm ON/OFF button USB Nona Calvert Battery Access Button FCC Statement This device complies with part 15 of FCC Rules.