1. Metal shell, matte texture, delicate and smooth. The pointer emits green light and is easy to see on any presentation screen 2. Incorporates more page-up, page-down, slideshow, black screen functions for PowerPoint presentations. 3. Equipped with top , the wireless range can reach 100 meters. Operates on 2.4G radio frequency, it is an ISM free frequency, which can be used worldwide 4. Support plug and play technology. Support Page Up, Page Down, full screen, black screen, long press Page Up key to full screen or exit. Press and hold the Page Down button to blank the screen or exit. 5. A wide range of applications, compatible with operating systems: for Windows 2003, XP, Windows Vista, Windows 7, Windows 8, , OS, Linux. 6. It can control the cursor, play videos and open links like a mouse. Therefore, you don't have to go back to the computer during the presentation. 7. Built-in wireless receiver, easy to carry Colour:Gray-black Material:Metal + plastic Package Contents: 1 * Page Turner 1 * USB charging cable Only the above package content, other products are not included. Note: Light 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.