1. Multiple Functions: Keeping your presentations running smoothly even in the darkest of rooms, Presentation Clicker is supporting hyperlinks, volume control, switching , full screen/black screen, and page up/down, designed with just the right outline buttons. 2. Ergonomic Design: Letting you not accidentally click the wrong button, Wireless Presenter Remote is soft to the touch and comfortable to hold, featuring pointer buttons large enough for presentation. 3. Plug and Play: Let the USB dongle slide into the slot on the handle when not in use, Office Presentation Remotes are plug and play, and no installation is required, easy to use by plugging the USB receiver into the computer and starting a presentation with the indicator. 4. Power Supply: Powered by 2 x AAA batteries (not included), Presentation Remote Clicker easily fits in a briefcase or handbag, compact, strong, and long battery life. 5. Universally Compatible: Freeing yourself from the constraints of the keyboard, Powerpoint Remote Clicker is compatible with most computers and laptops, suitable for presentations, meetings, and classrooms. The supports hyperlinks, volume control, switching , full screen/black screen, and page up/down. Plug and play. Just plug the USB receiver into your computer and start giving presentations with the indicator. Suitable for desktop and laptop computers. Specification: Name: Presentation Remote Clicker Power: 2 x AAA batteries (not included) Compatible: universally compatible Colour:black Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Remote control 1 * USB signal receiver 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.