Greyghost 2.4GHz Wireless Presenter Pointer Pen PPT Pen Remote Control Teacher Slide Clicker One-Touch Keys:Easy to control slideshow. Buttons: laser pointer, page up, page down, launch slide show, black screen Wireless remote control distance range of up to 49 FT, so you can free to move around the room and interact with your audience Wide Compability: Supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) etc; For MacBook on OS X 10.11 El Cap, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option No Driver Needed:USB receiver is plug and play - no driver required Operating System: win 2000, XP, Vista, Win7, Win8, Win10, MAC OS, Linux.