Bluetooth Wireless Presenter, Rf 2.4ghz Presentation Clicker, Finger Ring Remote Powerpoint Slides f74 Bluetooth Wireless & RF 2.4 GHz PowerPoint Clicker with finger ring design, the rubberized -resistant ring adjustable to fit finger sizes. The control area with buttons can be controlled simply by your thumb, quickly switch between BT and RF 2.4GHz modes with a single button.A red and bright lasering pointer that's easy to see against most backgrounds, highlight key areas of your slides, super easy to use to take your eyes of your audience. Equipped with top-grade , wireless control range up to 12 , so you can free to move around the room and interact with your audience.The mini USB receiver supports plug and play technology. No driver is required. Built-in docking bay stores receiver magnetically so you are less likely to lose your receiver. One-touch easy to control slideshow. Buttons: lasering pointer, page up, page down, launch show, black screen, switch on/off.Built in rechargeable -polymer battery. You can charge it by a laptop or wall adapter via the standard -USB input port.Colour: BlackMaterial: PlasticPackage Contents:1 * Wireless Presenter1 * Receiver1 * USB Cable1 * Storage bagOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.