Universal Compatibility : The R500 wireless presenter is optimised to work with Windows, macOS, iOS, Android, as well as leading presentation software including PowerPoint, Keynote, PDF, Google Slides and Prezi 20-Metre Operating Range : Move and present freely from as far as 20 metres away. Perfect for medium to large-size rooms. May vary based on environmental and computing conditions Logitech Presentation App : The R500 presentation clicker pairs with the powerful Logitech Presentation App so you can customise button functions, monitor battery life and set an on-screen timer for your presentation. Requires installation of Logitech Presentation software, available for download at logitech.com/r500sw compatible with PC (Windows 7 or later) and Mac (macOS X 10.12 or later) Dual Connectivity : Connect the R500 remote to your computer via USB receiver or Bluetooth low-energy technology. A convenient, built-in dock stores the tiny USB receiver inside the R500 presenter when not in use Smart Battery Management : The R500 pointer runs for 12 months on a single AAA battery. When your battery is low, the R500 goes into a power-saving mode, disabling the laser to extend battery life so you can continue presenting for an extra week. May vary based on use and computing conditions