Detailed Product Description wreless mouse presenter Laser pointer, page up/down function & mouse 2.4G USB plug. No driver requested. Logo print available Control distance: over 15M System: windows 98/2000/ME/XP/Linux & Mac OS Use 1pc 2450 battery It supports Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader etc. For Teaching, Meeting, Speech, Training etc.