... tool for PowerPoint presentations! With it,2)Easily control the pace of your presentation: 3)Advanced radio frequency (RF) technology that works through ... Wave length: 630-680nm Frequency: 433GHz Wireless method: RFReceiver: Operation system: Windows 98/Se, Me, 2000, XP, Mac OS, Linux USB ... /cartoncarton sizes: 44*33*22.5CM G.W: 10.5KGS 2.4GHz wireless presenter mouse with laser pointer drive