Presenter Presentation USB 2.4G Wireless Presenter with Laser Pointers

Presenter Presentation USB 2.4G Wireless Presenter with Laser Pointers Specifications: Type: PPT remote control pen Color: Black, White (optional) Material: ABS Power supply: 1 AAA battery (not included) Connection: Wireless connection Frequency: 2.4G Transmission distance: About 30 meters (open area) Product size: 14*2*1.5cm Operation: Press UP key to page up; long press to enter full screen, press again to exit Press DOWN key to page down; long press to turn screen off and