Features: The Air Mouse Pen combines the functions of a mouse and a remote control, allowing you to easily control your computer. With its advanced motion sensing technology, the Air Mouse Pen responds to your hand movements, making it simple to use on screen. Designed for professionals, teachers, and presenters who need convenient computer operation. Perfect for meetings, training, teaching, and public speaking, where you can remotely operate your computer and improve your presentations. Say goodbye to complicated installations the Air Mouse Pen is ready to use. Its compact design and portable case make it great for busy professionals. Specifications: Item:Remote Control Wireless Presenter Wireless frequency 2.4GHz Remote control distance of 100meters Class power less than 5mw Distance greater than 200m, wavelength650nm (red light) Battery 360mAh polymer lithiums battery The working voltage 3.6V-4.2V Product size 140mm19mm19.5mm/5.51x0.75x0.77in Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC Wireless Presenter