Describe

Name: Electronic Laser Star PPT Page Turner Colour: Black, white Model: First, Second, Third and Fourth Generations Interface: USB Connection mode: 2.4G wireless transmission Operating Distance: 100m Support system: Windows/mac os/linux/android Working Voltage: 4.5-5.5V Power supply: AAA battery (excluded) Suitable for scenarios: for speeches, open classes, meetings, teaching, etc. List: Electronic Laser Star PPT Page Turner *1, Receiver *1, Instruction *1