Use:Projectors Origin:Mainland China Wireless Communication:WiFi Support APP:No Certification:CE Frequency:433 MHz Channel:1 Package:Yes Model Number:Remote Control Pen USB 2.4G Wireless Presenter Pointers Pen Pointers Remote Control USB RF Remote Control Pen Fit For PPT Powerpoint Presentation "Product selling point: 1. Product functions and uses: dual mode, mode PPT software lesson plan tool - page up and down (long press full screen/black screen), Remote Control Pen , hyperlink function; mode volume increase and decrease, previous song, next song, play/pause ,close the window. 100 meters remote control distance, USB charging, low battery reminder,. Magnetic absorption. 2. It is suitable for turning pages of PPT, word, PDF and other files of office computer projectors. 3. The shape is small and small, ergonomically designed, and it will not be a burden to use for a whole day in a meeting. 4. Magnetic absorption and storage are hidden, easy to carry, plug and play. 5. Remote Control Pen -type focusing red dot, long-distance high-definition precise pointing, 100-meter stable red dot. Specifications: Product material: PC raw material + polymer battery + board chip Product size: 14*2.2*1.2CM Product color: black/white/pink Charging interface: micro Battery capacity: 200mAh Charging time: 1-2 hours Battery life: 90 days Power cord specification: 5V1A Power cord length: 25cm Current output: the fastest 1.7A Current input: 5V1A Product list: 1*Page flip pen, 1*Manual, 1*Micro usb charging cable"