[Presentation Clicker Introduction] The slide advancer is very compact, the length is only about 13 cm, low power, built-in magnet USB-A receiver, The Presentation Pointer has a wireless design, supports a maximum control distance of 100 feet, and 300 feet of laser distance, allowing you to move freely around the room. The rechargeable design allows you to avoid the hassle of replacing batteries, Built in 360mah battery, 1.5 hours of charging can be used for several weeks.[Presentation Clicker Functions] Turn on/off switch, Tab button (clicktab, double click enter(or open hyperlink)long press Alt+Tab to switch windows), Page up button (long press to show or exit the slide show), Page down button (long press to black the sccreen), Volume+button, Volume- button, Red laser button (red laser can be seen in most backgrounds)[Presentation Clicker Compatibility] The slide clicker supports Plug and Play, no need to install drives, Compatible Systems: Windows, macOS, Linux, Android, Compatible Software:MS office, Keynote, PDF, Prezi, Google Slides, ACD See, website etc.[Presentation Clicker Package] The PPT clicker Package includes: 1 Powerpoint remote, 1 USB-A receiver (bulit in the Remote Clicker), 1 user manual