[2-in-1 DUAL PRESENTATION CLICKER]Considering the increasingly thin laptops with only USB c ports, and eliminating the need for multiple adapters, this wireless presenter supports both USB and TYPE C interface, making it compatible with a wide range of devices, including laptops, PC and tablets. It is compatible with system like 2003/XP/ Vista 7-11, OS, Linux, Android, Software like PowerPoint, Keynote, Prezi, Slides, etc.. Whatever devices, go with this PPT [ LONG RANGE REMOTE CONTROL & 656FT LASER DISPLAY RANGE]RF 2.4G upgrade chip enables an outstanding performance. With this USB dongle slide show you are not tied to computer, instead, you can move around and interact better with your audience. The bright red will draw your audience's attention easily, and highlight the key points in your slides clearly even in a vast dark room. (Not recommended for TV/LED/LCD screen) [PLUG AND PLAY & SILICONE BUTTONS] No need to install any drivers. Just plug and play. The USB receiver is stored in the PowerPoint clicker and it easily snaps into the clicker bottom. The PowerPoint remote supports volume control, window switching, full/ black screen, page up/ down. Just one button one function. The soft silicone buttons are designed with optimized layouts.There are no noisy press sounds and sticky buttons [SIMPLY 2 AAA BATTERIES & ERGONOMIC DEISGN ] The presenter pointer is an on-the-go device, compact and , only 55g. So It is easy to carry and use around, making it perfect for presentations, meetings, classrooms, and other events. The PPT pointer just need 2 batteries that are commonly available on the market , it can run for 2 months long even used 1h per day. It is definitely an office or classroom must haves Colour:Black Material:plastic Package Contents: 1x Presentation Clicker 1 x USB/Type C Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.