BEBONCOOL&Acirc; RF 2.4GHz Wireless Presenter for Prezi, USB Presenter Remote Control, Special Made for Prezi Special Made only for Prezi; Suitable for all the Prezi users who need to present a presentation; A plug-and-play wireless receiver; Wireless Technology: 2.4 GHz A bright red light that's easy to see against most backgrounds, highlight key areas of your slides Wireless remote control distance range of up to 39 feet, so you can free to move around the room and interact with your audience Support options: Only Support Prezi; For MacBook on OS, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option Buttons: red light, page up, page down, black screen, zoom in, zoom out, full screen; One-touch keys easy to control slideshow