Rainbow Pearl Luminous Necklace: 1. The necklace is made of ABS material. 2. The lighting methods are: slow flash, fast flash, and long shine. 3. The light colors are divided into: red, yellow, blue, green and white. The lights can be customized. 4. Unique and fashionable in shape, it is convenient to wear. 5. Bright and vivid colors. 6. Suitable for all kinds of people and any occasion, it is elegant and decent to wear, with an exotic style. It is suitable for concerts, bars, balls, parties, KTVS, festival parties, birthday gatherings.