1.【USB Receiver】：With the special design of USB receiver, Wireless presenter remote can work for devices with USB interface etc.One-piece design, the mini USB receiver is stored in the presentation tail with a magnet system. 2.【Plug & Play Multifunctional】：Clicker presenter is multifunctional: Support hyperlink, volume control, switch windows, black/full screen, page forward/backward; Plug & play, no need to download software. 3.【Bright Red Light & Long Control Distance】：A bright red light that is easy to see against most backgrounds (Not recommended for LED/LCD/TV screens); Control range is long enough: Wireless range: 100FT, Red light distance: 300FT. 4.【Widely Applicable】：Presentation clicker supported systems: Windows 2003/XP/Vista/7/8/10, Mac OS, Linux, Android; Powerpoint presentation clicker supported software: PowerPoint, iWork (Keynote & Numbers & Pages), Prezi, MS Word, Excel, Website, etc. 5.【Powerpoint remote control】: Soft silicone buttons make your thumb comfortable. A increased bump on the Page Down key can prevent you from pressing wrong key. The LED display flashes when the power supply is weak.