Plug & Play Red Presentation PointerSimply plug in the usb receiver into a USB port of your laptop or computer to begin. The slide clicker is with a bright red light, easier to draw audiences attention, red light range can reach up to 600ft, and the 2.4Ghz range of it can reach up to 115ft, you can walk around the room while controlling slides even far away from the host device (Not Recommended for LED/ LCD/ TV screens) Long Rechargeable Working Time Built-in 300mAh rechargeable lithium battery, this presentation clicker with laser pointer only requires a 2.5h charging time and holds a charge for weeks. An essential presentation tool in the classroom or office Features of Rechargeable PowerPoint RemotePowerpoint clicker with laser pointer serves the basic functions via the press and double-press and hold features of page up/down, full/black screen, laser control, easy to use in presentations Widely CompatibleWireless presenter remote supports systems: Windows, Mac OS, Linux, Android; Clicker for laptop presentations supports software: PowerPoint, iWork (Keynote & Numbers & Pages), Prezi, MS Word, Excel, ACD See, Website, etc. More Design DetailsThe slideshow clicker is with an intuitive button layout so that you can locate the button without having to look down at the unit. USB receiver is conveniently stores inside the bottom of presentation remote when not in use