Welcome to the store! Utilizes 2.4GHz wireless technology, developed for infrared interactive all-in-one machines, electronic whiteboards, and PPT software. Suitable for schools, educational institutions, and business professionals for teaching presentations, speeches, conferences, and more. Features 2.4GHz wireless transmission with a clear red light source, offering a remote control range of up to 50m/164.0ft. Includes touch-screen writing functionality and PPT page-turning control for ultimate convenience and time-saving. Compatible with Windows/Android/Linux operating systems and features a built-in lithium battery for extended use. Item Type: Presentation Clicker Material: ABS Shell Color: As the picture shows Weight: Approx. 55.0g/1.9oz Remote Control Technology: RF 2.4GHz Remote Control Distance: <50m Working Voltage: 3.3-4.2V Battery: Li-ion Battery, 140 mAh Operating System: For Windows/Android/Linux Software Platform: For Windows Office/WPS Office Interface Compatible: For USB2.0/USB1.1/USB3.0 Working Voltage: USB Bus Power Supply (4.5V-5.5V) Package Includes: 1 x Storage Bag 1 x Charging Cable 1 x Manual 1 x Presentation Clicker