[Finger Ring Presentation Clicker] This presentation clicker is lightweight and ergonomic, it has an Environmentally friendly ABS plastic finger loop built in which makes it easy to keep the presenter clicker in your hand. It is better to have it on your index finger when trying to use the presenter clicker, which can free up your hands. [Easy to Plug & Play] The Wireless PowerPoint PPT clicker presentations have no software to install, just plug the receiver into a USB port to begin. supports full screen, black screen, page up, page down, and red light all the basic functions of a presentation. [Bright RED Light and Long Control Range] The wireless pointer presenter remote controls range is 98FT / 30M, Red Light range is 328FT / 100M. So you can be free to move around the room and interact with your audience. [USB-C Rechargeable Presenter Clicker] The Presentation clicker has an on/off button to extend battery life. Only requires 1 hour of charging time, supports one week of use, supports auto sleep function to save power. [Presentation Pointer Widely Applicable] Presentation Clicker pointer support systems: Windows 2003/XP/Vista/7 8 10 11, Mac OS, Linux, Android; pointer presenter support software: PowerPoint, Google Slides, iWork (Keynote & Numbers & Pages), PDF, MS Word, Excel, Website, etc. We value our customers' experience and are always ready to help. If for any reason you are not satisfied with our presentation clicker, please let us know and we will resolve the issue as quickly as possible. Presentation Clicker Wireless Presenter Remote: PowerPoint PPT Clickers, Rechargeable USB Presentations Finger Ring Hyperlink Google Slide for Mac Laptop Office Computer