Product use: : Please charge for half an hour after getting the product. : Press and hold the switch on the back of the product for three seconds to turn it on. : The product comes with seven colors, one color changes every time you press the switch. :Mode: automatic color jump (change a color in 1-2 seconds), breathing mode (change darker and brighter), fixed color. : The product is a smart product, In the static state, the light will automatically turn off. No need to close manually. :The product is under strong light, you cannot confirm whether the product is turned on, because under strong light, the product will automatically turn off the light, you can cover it with your hand to confirm, but it will automatically turn off when it is turned on. (It is recommended to open the product in the dark and adjust the color you like)You need to read carefully when buying products to avoid misunderstandings. Thank you.