N21 Bluetooth Presentation Clicker with Telescopic Teaching Pointer Red laser pointer for presentations, Retractable pointer with touch pen, Countdown timer, Customizable Button, BLE & USB-A

Bluetooth & USB-A Connectivity - Connect the wireless presenter to your computer or tablet via Bluetooth or a USB-A receiver. Bluetooth connectivity allows the presentation clicker to control more types of devices, including iPads, tablets, and more, and supports automatic reconnection with up to 7 Bluetooth devices. The USB-A receiver is plug and play. Functions & Customization - The default functions of the presentation remote include controlling slides forward and backward, activating full-screen and black-screen modes, and adjusting system volume. It also allows users to invoke the PowerPoint pen and eraser on Windows systems.

Long-press the Forward and Backward buttons for 3 seconds to toggle between four modes: up/down, left/right, PgUp/PgDn, and scroll up/down. Key functions can be customized through Presenter software to meet individual preferences. Telescopic Teacher Pointer Stick with Stylus - The retractable whip of the presentation clicker is made of high-quality metal and can be extended to a maximum length of 65cm. The stylus tip at the top is designed for writing on a touchscreen or touch screen and has a high-performance pen tip for smooth writing. The pointer light is classified as Class II. Countdown Vibration Alert - Set the countdown timer on the presentation clicker. Click the setting key twice to start the countdown timer using your last setting. The presenter provides a silent vibration alert at 10, 5, and 0 minutes before the end of the countdown timer, including alerts at 10 and 0 minutes. Battery & Operation Range - This device is equipped with a built-in 360mAh lithium battery that is rechargeable via USB-C. A full charge in just 2 hours can provide weeks of operational use. The display shows the remaining power for the user. With a control range of up to 100 meters, you can enjoy greater freedom to move within a larger classroom