【High-Quality Presentation Clicker】 This wireless presenter is equipped with a premium microchip, offering a wireless range of up to 100 meters. It operates on the 2.4G RF frequency, an ISM-free frequency, making it suitable for global use. Crafted with a nickel-plated metal dome and silicone keyboard, it provides a comfortable feel. 【Practical Features】 Features automatic sleep and deep sleep functions for energy-saving and long-lasting use. It also includes a separate power switch to effectively prevent unwanted power consumption when stored in a bag. 【Red Clicker for PowerPoint】 The red pointer helps focus the audience's attention on your key points. It also integrates functions for previous page, next page, slideshow play, and black screen for PowerPoint presentations. 【Widely Applicable】 The mini USB receiver supports Plug & Play technology. No driver is required. Compatible with operating systems: Windows 7 or later, Mac OS 10.10 or later, and software like PowerPoint, Keynote, PDF, Prezi, etc. 【Easy Plug & Play】 The built-in docking bay stores the USB receiver for easy packing and portability. Contact our customer service center if you encounter any issues and receive a solution within 24 hours.