1. Remote Control: The presentation clicker uses 2.4GHz wireless technology, which can remotely control the presentation at a distance of about 15 meters. 2. Wide Compatibility: The presentation clicker can be compatible with Windows 98, SE, ME, 2000, XP, Vista, OS X, Linux and other systems, and any text document can be used compatibly. 3. Ergonomic Design: The PPT presentation clicker has a unique curved design, so it doesn't feel sore when held for a long time, making it comfortable to hold and easy to grip. 4. Presentation Control: The handheld presenter has comprehensive slide control functions, including forward, backward, start, pause, and black screen. 5. Compact Portable: The 2.4GHz remote control is compact in structure and small in size, so it is convenient to carry in a bag when going out.