Without bluetooth; Powered by AAA Battery (Not included); Red light; Black CoverSlideshow clicker support hyperlinks, Volume Control; It also combines more functions of page up, page down, play slides, black screen for PowerPoint presentation; Single click the multipurpose button which is labeled with a square to select hyperlink; Double-click the multipurpose button to enter hyperlink; Long press multipurpose button to switch window A bright red light thats easy to see against most backgrounds (not recommended for LED, LCD screens);Wireless range of powerpoint presenter up to 98 foot, free to move around the room; It comes with a clip that allows you to slide it in your pocket securely Wireless presentation clicker supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) Google Slides Presenter support options: Windows 2003, XP, Windows Vista, Windows7, Windows 8, Windows 10, Mac OS (For MacBook on OS X, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option), Linux, Android Slide advancer has low power indicate; One-piece design, built-in docking bay in wireless transmitter tail to store USB receiver for easy pack up and portability, USB stays secured into place with a magnet system