description:Plug-and-play dedicated presentation button-Previous and next page shortcut buttons-Change slides-Start and stop presentations and screen blank red laser pointer integration--With USB receiver, compatible with Windows 2000-XP-Vista-7 8- MAC OS-LinuxWireless freedom-through the long-distance 2.4 2.4GHz wireless technology, the demonstration can be remotely controlled at about 15 metersPresentation control-comprehensive slide control functions, including forward, return, start, pause and black screen functions.Completely clear-built-in laser pointer is the best presentation aidUltra-portable-storage-type ultra-thin USB wireless receiver is very convenient to carryProduct Features:* Integrate the page up and down of the presentation, laser pointer and laser pointer in one, simple and practical;* Exquisite appearance, mini receiver, easy to carry;* Designed with 2.4G radio frequency technology, there is no need to aim at the receiver, which truly embodies wireless freedom;* Free presentations within 15 meters, no need for a dedicated person to operate a PC or notebook, business presentations, presentations, and classroom teaching can be easily done by just one person;* Suitable for various systems of WINDOW98/2000/ME/XP;* Support various file presentations, web pages, e-book browsing;* The receiver uses a USB interface, plug and play, no driver installation is required;* Dry battery design, more convenient to carry and replace;* Fully plastic package, gift good products, can also be used as promotional gifts for notebooks and projectorsTechnical performance indexlauncherBattery: One AAA batteryWorking voltage: 1.5VRemote control technology: 2.4GLaser distance:> 300 metersLaser wavelength: 650nmLaser power: