Have a nice day.,The lights are colored! Super suitable for party party wear at night party!,Light bulb is open also can close at the same time also can replaceable batteries.,,Project Name: LED colorful light bulb earrings,Material: Alloy + bulb+silver,Size: full length 7.5cm / bulb 5.5 * 3cm,Style: personality and fashion,,Package Included:,1 pair of earrings