USB slot: Just plug in the USB port, no need to turn the switch on or off. Rotatable: There is a rotating elbow on the top so that you can create different patterns. Foldable: the thread is so strong that it will stay folded even when folded. whatever angle you set it at. Usage: point it anywhere. will produce a very good effect. The further you move from the target, the more the star expands. Romantic atmosphere: excellent lighting effects create a romantic atmosphere in your car. Product Description Specification: Condition: Brand new Type of Product: Ambient light Material: ABS + aluminum Optional light colors: red, blue-purple Application: General packing list: 4 x ambient light