USB connection Laser Pointer,powerpoint wireless Laser pointer, slide changer, remote presenter , Optional memory ,Custom logo Item Name:PP-800 Laser PointerItem No.: PP-800 ... /ME/XP It supports Word, Excel, PowerPoint, ACD See, Website, Acrobate Reader etc.5.laser distance no less than 200m6.outlooking:the ... ,compatible USB 2.0 Working voltage : 4.5-5.5V Presentation Laser Pointer with USB connection