Welcome to the store! 1. Remote Control: The presentation clicker uses 2.4GHz wireless technology, allowing remote control of presentations from a distance of approximately 15 meters. 2. Wide Compatibility: The presentation clicker is compatible with Windows 98, SE, ME, 2000, XP, Vista, OS X, Linux, and other systems. All text documents are compatible. 3. Ergonomic Design: The PPT presentation clicker features a unique curved design for comfortable, long-term use and easy gripping. 4. Presentation Control: The handheld presenter offers comprehensive slide control functions, including forward, backward, start, pause, and black screen. 5. Compact and Portable: The 2.4GHz remote clicker is compact and small, easily fitting in a bag for on-the-go use. Item Type: Presentation Clicker Material: ABS Remote Control Mode: Radio Frequency Technology Operating System: For Windows, OS X, Linux, Android Wireless Frequency: 2.4GHz Remote Control Distance: 15 meters Operating Voltage: 4.5-5.5V Battery: 1 x AAA battery (not included) Operating Current: 1.5V Sleep Current: <10uA Package List 1 x Presentation Clicker 1 x Receiver 1 x User Manual Note: Batteries not included. Your 100% satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide the best solution!