Features:

【Bright Green Light & Long Control Distance】The Presentation clicker is with a bright green light, that is 10 times brighter than red light, the green light range can reach up to 600ft, and the 2.4Ghz range of it can reach up to 115ft.
【Long Rechargeable Working Time】 With 300mAh build-in lithium battery, it only requires a 2.5h charging time, but it can be used up to 20 hours (Under working status), long enough to meet your needs.
【Easy to Use】Presentation remote is with a feature of “Plug & Play”, no need to download any software to make it work, just plug the usb and it is good to work. Presenter clicker combines functions of Page up/ Page down/ Black Screen / Full Screen (Black/full screen may can only work on windows)
【Widely Compatible】Wireless Presenter supports systems: Windows 2003/XP/Vista/7/8/10, Mac OS, Linux, Android; Clicker for laptop presentations supports software: PowerPoint, Google Slides, iWork (Keynote & Numbers & Pages), Prezi, MS Word, Excel, ACD See, Website, etc.
【Excellent Details】Auto sleep function to save energy; With low power indicator (Flashing blue light)