【USB Powered】 - 5V low voltage, low heat. It is touchable and safe for children. Ideally with a USB port as you don't always need a power outlet. This gives you complete flexibility in placing it in the room and with a small USB battery you are flexible. (USB plug not included) 【Ball Lights - The cotton ball lights look very warm, comfortable and light, the cord creates a very beautiful and dignified light and is not dazzling. The light is soft and pure and creates a slight fairy effect in the dark. 【Fomantic Decoration】 - Where can you use it? Room decoration, girls, teens, baby, wedding, balcony decoration, patio, Christmas, party, curtain party decoration, Halloween decoration, indoor and outdoor decoration, crafts, gifts, etc. The string lights glow beautifully which is really a nice touch. 【IP44 Waterproof】 - Slightly waterproof, but the USB was not waterproof. The distance between the two lights is 15cm, the diameter of the cotton ball is 7cm. Instantly create an atmosphere for