Item Type: Presentation Clicker Material: ABS Shell Color: As Picture Shown 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 List 1 x Storage Bag 1 x Charging Cable 1 x Manual 1 x Presentation Clicker 1Adopt 2.4GHz wireless technology and is developed for infrared interactive touch allinone machines, electronic whiteboards and PPT software. 2It is suitable for schools, educational institutions, and business people for teaching presentations, speeches, conferences, and etc. 32.4GHz wireless transmission, clear red light source, the remote control range is less than 50m/164.0ft. 4Screen touch writing function and control the PPT page turing, very convneint to use and save time. 5Compatible for Windows/Android/Linux operation system, builtin lithium battery, long use time.