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 windowA 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 securelyWireless presentation clicker supports MS Word Excel PowerPoint ACD See website iWork (Keynote & Numbers & Pages) Google SlidesPresenter 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 AndroidSlide 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