Contains a USB cable, the product can USB power or 3 section 3A batteries [shipped Without Batteries]. Suitable for home, office desktop decoration, easy to connection to computer or mobile power Suitable for Christmas, birthday parties and other scenes, adding happiness to party Adopt high brightness LED light beads, 360 degree rotating luminously effect, more color for night viewing Adopts music chip, clear and pleasant sound Use PC environmental protections and durability, compared with the traditional wooden music box life enhancement 2times