Product Button Description 1 Switch button long press for 1 second to switch on and off2 Projection mode key Short press to switch the music rhythm 7 color beating 7 color breathing 7 color gradual change 4 projection lamp modes 3 Night light mode key Short press to switch night light mode turn off the projection lamp short press again to cycle through the night light color mode orange cyan purple turn off night light white long press for 1 second to adjust the brightness of the night light 60 20 100 4 Motor and laser light keys short press to adjust the watermark motor speed 60 100 off 40 long press for 1 second to switch on and off5 Next song volume down button short press to select the next song long press to continuously decrease the volume6 Previous song volume decrease and increase short press to select the previous song long press to continuously increase the volume7 Laser starlight8 Projection lamp9 Ring night lightSpecifications Laser light power 1mWProjection LED power 2 1 5WNight light LED power 18 0 2WPower input USB type C 5V 1AProjection area 10 50 square metersWorking environment temperature 10 40 degrees Celsius humidity 0 95 non condensingCaveat The power requirement of this product is USB TYPE DC5V 1A Please use the adjustment device once it is within the range Otherwise this will shorten the life of the product Note For your safety please read this manual carefully before using this product Please avoid looking