Kensington PresentAir Pro Bluetooth 4.0 LE Presenter with Red Laser and Stylus for Windows 8.1 and Android 4.4 laptops and tablets | Bluetooth 4.0 LE Technology - The latest in wireless innovation, this low-energy pairing between your device and presenter frees up a valuable USB port and offers a range of up to 30 feet so you can move freely during a presentation | Three Modes/PresenterWorks App - The buttons can be set to two predetermined modes (Presenter and Media) while the third mode (Custom) offers a wide range of commonly used commands you want the buttons to perform. The free PresenterWorks app, which can be downloaded from Google Play, Windows Store or App Store, is highly intuitive and easy to use | Ultra-Slim Design - The presenter's thin profile makes it extremely light and easy to hold, plus it can fit into a shirt pocket or the pen/stylus holder found in many business folios or briefcases | Red Laser Pointer - Make your point at the touch of a button with a bright red laser that can highlight any part of your presentation with complete effectiveness | Touch-Activated Stylus - Compatible with all major tablets and smartphones, holding the metal enclosure turns the presenter into a fully functional stylus to navigate your way around the touchscreen on your device | Carrying Case - A convenient place to store your presenter when you're not using it so it stays protected, with soft internal lining that ensures the PresentAir Pro won't get scratched | | Bluetooth 4.0 LE technology frees up a USB port | 3 modes (Presenter, Media and Custom) to optimize your button functions | PresenterWorks app lets you set Custom Mode to your preferred button functions | Ultra-slim design fits into a pocket or pen/stylus holder | Red laser helps make a point during presentation | Touch-activated stylus tip | Includes carrying case with soft, cushioned interior | Compatible with Android 4.4 and above, Windows 8.1 and above, and iOS 8 and above (Presenter mode only supports PowerPoint) | USB-C to USB-A connector is needed for newer Mac products