product manual: There are two types of this product, Model 1: "no rotation no music": After opening, there is no music and cannot rotate. Model 2: "rotation and music": There is a clockwork inside, after tightening the clockwork, the light will rotate and play the music "Laputa_Castle in the Sky" Material: Crystal/High Quality Beech Voltage: 5V Power: 3W The product is charged with a USB cable interface, connected to a USB socket, power bank, computer, and mobile phone charger.
