These usb laser pointers are available with following features : 1) USB1.1 / 2.0 compliant, hot plug and play 2) No external power is required, powered by USB bus directly 3) Compatible between different operating systems 4) Electronic storage device, no mechanical components, shake protection, electromagnetic wave protection 5) Write / de...

Main functions of Wireless Multi-Media Mouse: 1. Laser pointer 2. Remote controller (RC)function:page up/down 3. Turn off screen function 4. The receiver can be hidden in there presenter,so this item is portable. 5. Wireless optical mouse function 6. USB stick/ flash memory disk(Optional function)

Following are the Main Specifications of Integrated Wireless Presenter USB Card Reader Receiver New Design :- 1. COMPONENT Transmitter 1 Receiver 1 Battery 1 Manual 1 Box 1 2. Main function * Wireless Red Laser Pointer * Page up/down function * 2.4G Radio Frequency: 315/433MHz * Full Screen,Black Screen * USB plug-and-play * Slide changer...