Feature: 1. 2.4GHz wireless presenter pen, with a bright red light for easily seeing most backgrounds and projective surface. 2. With button to page up \u0026 down, full screen, black screen, convenient for control your slideshow. 3. With a USB receiver next to the battery case, plug and play, powered by 1 * AAA battery(not included). 4. Approx. 15m / 59in effective wireless remote communicating range, free for you to walk around \u0026 interact with your audience. 5. Support browsing kinds of Excel, PowerPoint, webpage, Ebooks etc. 6. With a USB receiver next to the battery case play, powered by 1 * AAA battery(not included). 7. Approx 15m / 59in effective wireless remote communicating range, free for you to walk around \u0026 interact with your audience. 8. Support browsing kinds of Excel, PowerPoint, webpage, Ebooks etc. Ergonomically ultra-slim design \u0026 compact size offers you comfortable using feeling. 9. ♥With button to page up \u0026 down, full screen, black screen, convenient for control your slideshow. 10. ♥With a USB receiver next to the battery case, plug and play, powered by 1 * AAA battery(not included). 11. ♥2.4GHz wireless presenter pen, with a bright red light for easily seeing most backgrounds and projective surface. 12. ♥Approx 15m / 59in effective wireless remote communicating range, free for you to walk around \u0026 interact with your audience. 13. ♥Support browsing kinds of Excel, PowerPoint, webpage, Ebooks etc. Great assistant for teacher, lecturer, professor, scholar \u0026 other presenters, as well as a ideal considerate gift. 14. With button to page up \u0026 down, full screen, black screen, convenient for control your slideshow. With a USB receiver next to the battery case, plug and play, powered by 1 * AAA battery(not included). 15. Great assistant for teacher, lecturer, professor, scholar \u0026 other presenters, as well as a ideal considerate gift. Specification: Features: 2.4GHz wireless presenter pen, with a bright red light for easily seeing most backgrounds and projective surface. With button to page up & down, full screen, black screen, convenient for control your slideshow. With a USB receiver next to the battery case, plug and play, powered by 1 * AAA battery(not included). Approx. 15m / 59in effective wireless remote communicating range, free for you to walk around & interact with your audience. Support browsing kinds of Excel, PowerPoint, webpage, Ebooks etc. Ergonomically ultra-slim design & compact size offers you comfortable using feeling. Great assistant for teacher, lecturer, professor, scholar & other presenters, as well as a ideal considerate gift. Specifications: --Transmitter Material: Plastic Radio Frequency: 2.4GHz-2.483GHz Power Supply: 1 * AAA Battery(not included) Effective Control Distance: Approx. 15m / 59in Output Power: