【2 in 1 Receiver / Plug & Play】:The unique dual-head design: Type C/USB-A receiver can meet all your needs. You can freely switch between different port and devices. Presentation clicker no need set up anything or software to install. Just plug the USB receiver into your computer's port and push the side switch to "ON", then you can start using the red laser and play your presentaions. When your presentation is over, push side switch to "OFF" to save power..【Presentation Clicker Big Buttons】: One Button one function and separate-buttons design, so you don't need to look at it while presentating. This wireless remote presentation clicker combines the button functions of Laser Point / Page up / Page down / Full Screen / Black Screen. Side Switch "ON" and "OFF"..【Long Range 2.4GHz Powerpoint Clicker】: This presenter remote clicker for powerpoint presentations with a bright red laser light which is powerful and easy to see against most any background. It can be used to highligt key parts of a presentation. Presentation Remote wireless control range is 100FT/30M, laser pointer range is 328FT/100M. (Not recommended for TV/LED/LCD screens)..【Ergonomic Design & Long Battery Life】: Powerpoint clicker is compact in prefect size. Meeting the ergonomic principle so make is comfortable to hold in hand and fit pocket when not in use. Wireless presentation clicker's each button is really big enough to use. Presenter remote just use 2 AAA batteries(included), push the powerpoint clicker's side switch to "OFF" to save power when not in use..【Widely Applicable】: Remote clicker for presentations support desktop and laptop computers. Powerpoint clicker with laser pointer works with systems: Windows, XP, Vista, 7, 8, 10, Mac OS, Linux, Android; presenter clicker wireless supports softwares: Google Slides, iWork (Keynote & Numbers & Pages), Prezi, ACDSee, Website, MS Word, Excel, PowerPoint/PPT, etc.