... systems: Windows 2000, Me, XP, Vista, Win 7 and MacFeatures:2.4GHz wireless transmission up to 10 meters operating ... connectivity, no need to code, plug-and play.Ergonomically designed, comfort grip.Many dormant class control and more power-saving hibernation connectionless. ... 0Operation systems: Windows 2000, Me, XP, Vista, Win 7 and MacPower: AAA battery (not included)Rated operation current: 15mA, ...