1、Can switch between page up and page down. Full support for PowerPoint, for Keynote and for Prezi. 2、2.4G wireless radio frequency technology, can run in a range of 50 meters, 360-degree control without directional restrictions, automatic frequency hopping technology, effectively avoid other signal interference. 3、Support page turning, page turning, full screen, black screen functions, and also support hyperlink functions Tab, Enter and Alt + Tab. 4、With silicone button for comfortable button experience. Low battery reminder function to facilitate preparation of important speeches in advance. 5、Integrated design, mini USB receiver can be easily stored inside the flip pen, easy to carry, plug-and-use. 6、Compatible with USB1.1 / 2.0 / 3.0 specifications, plug-and-use, no need to install driver. Condition: 100% Brand New Item Type: Page Turning   Remote Control Pen Material: ABS Optional Color: black, white Weight: Approx. 76g Output power: <2.5mW Battery capacity: 500mAh Working voltage: 3.7V Working current: 4mA Sleep current: 10uA Light power: 28mA Charging time: 2 ~ 3h Remote control mode: radio frequency technology Transmission frequency: 2.4GHz Remote control distance: 50 meters Light: 3R light (red light) Light wavelength: 650nm red light Charging current: 250mA Charging instructions: When charging, the indicator light is green, and it is off when full charged. 1. Remove the USB receiver and insert it into the computer's USB interface. The dynamically recognized USB is automatically installed. 2. Operate the wireless flip pen by operating the buttons on the remote control Wireless flip pen enables remote control the notebook computer. When operating the wireless flip pen, the page indicator (blue light) will flash. 3. Turn off the wireless flip pen. After use, please use the USB receiver. Put it back into the wireless flip pen and turn off the power to the left of the flip pen. Close to prevent product leakage by squeezing buttons when not in use. 4. Low voltage indication function, when the battery voltage is lower than 3.0V, the page turning pen indicator will enter The green light is flashing slowly, indicating that the user has entered a low battery level. Voltage status, please charge in time. Flip pen does not support the hyperlink function in WPS software (limited by WPS software) Page turning pen fit for Mac OS / for Unix / for Android For people: Teacher, professional lecturer, businessman. Suitable for computer and projector teaching, presentations, lectures, conferences and all other occasion with computers and projectors. Using the projector to say "This product is the great tool for remote computer control" System Support: For Windows 7/8 and higher for Mac IOS / for Unix / for Android operating system. Page turning pen for Mac OS / for Unix / for Android Pairing code method: Pairing 1: Previous page + O button Pairing 2: Page Down + O Button (Press and hold for 3 seconds until the blue light flashes quickly and plugs into the USB receiver) Switching method: Mode 1: page up + page down (long press for 2 seconds, the indicator flashes 2 times) Mode 2: page up + page down (long press for 2 seconds, the indicator flashes 4 times) Two receivers, the above code switching method is available 1 x 2.4G Page turning pen 1 x USB Receiver 1 x USB charging cable 1 x Instruction