Chunshop Wireless USB PowerPoint PPT Presenter Remote Control Laser Page-turner Supports MS Word, excel, PowerPoint, ACD See, website etc, with page up and down function Presentations from up to 10 meters away,USB receiver is plug and play - no driver required The size is confortable for the lecturer to hold and opertate perfectly Power saving, lightweight, suitable for putting in your pocket or handbags This high quality laser pointer adopts the latest technology laser optics and microelectronics