1-haze Water Dance Speaker is a multimedia USB 2.0 speaker that has an effect of dancing water with LED lights inside when the speaker is on. There is no battery or extra power required for it. Its outward appearance is fashionable which is suitable for home and office. The material used in manufacturing is 100% non-toxic harmless environmental protection material and is compatible with all kinds of music players/ Computers/iphone, ipad, etc.