CyberTech iPresenter Wireless Presenter Remote/ for iPhone 4/5, Free App download, Compact Size, Apple APP Free Download. 2.4G, 30 meters remote distance PPT presentation, function, Line Drawing function, Mouse Coursor DPI control Net Search function, Media player control, PC Volume control, Meeting Timer Support Windows Me, Vista, XP, Windows 7, Mac OS, Plug and Play, No need for driver Sold exclusively by Cybertech with 1 year warranty