Specifications: 2M, 20 LEDs Ball diameter: 15mm Power supply: USB With remote control Control app can be downloaded via barcode (verified on Play Store) Smartphone (Bluetooth) control possible (set the chip setting in the app to GRBW.) Let's transform your surroundings with enchanting light effects. These LED illumination lights are perfect for parties, Christmas decorations, and decorating rooms and stores. Just plug it into USB and it lights up immediately! Easy operation with remote control and app! Switch patterns to suit your mood! Made of soft insulating material & DC5V safe model, so you can install it with your children. *Waterproof specifications, so it can be used outdoors as well as indoors. (Please waterproof the power supply and connection parts separately.) *USB-AC adapter is not included. *We cannot provide operational or support for the app. *The light may not be created exactly as the color buttons indicate. Please refrain from purchasing if you are looking for perfection or are overly sensitive. *Due to being an overseas product, please refrain from purchasing if you are looking for perfection like a Japanese shop or are overly sensitive. *We cannot respond to claims after the receipt evaluation, so please contact us before the evaluation if you have any issues.