There are two styles to choose from:Closed light voice control model: red/green/blue three colors flicker in turn, the sound induction rhythm flashes, and there is no sound that is not bright.Self-propelled voice control model: red/green/blue three colors are superimposed and changed, the sound induction rhythm flashes, and there is no sound to flash slowly.[Note: The package contains 3 pieces of adhesive magnetic sheets, lampshade, and charging cable. There are magnets at the bottom of the lamp, which can be fixed with adhesive magnetic sheets.]Battery: Includes a built-in 380 mAh battery. With a charging time of 1.5 hours, the disco ball can be used for 4 hours. It is perfect for bedroom/festivals or at parties with difficult or no power supply. Very suitable as a birthday gift for children.Mini and portable: Size: 55 x 53 x 53 mm, weight: 38g. Small size so can be placed directly on a table or chair or mounted on a wall or ceiling.USB charging: easy to charge the battery almost anywhere with a USB power supply, a power bank, a laptop/notebook or can be used anywhere and anytime in the vehicle.Suitable for many situations: The disco ball is ideal for any kind of party (birthday, family celebrations, disco, wedding, Halloween, pyjamas, karaoke) or just for the children's room.