This product does not contain batteries!It can be shine with the battery in it. The light flashes and changes the colors automatically. It will be very beautiful at night. The girls and children will love them very much! Soft and safety for children. Quality guaranteed and accept product returns if you don't like it! 100% high quality!!!!!Appreciate you love We our items and bid. All of theseWill be nice gifts items for your friends and family.You have any If further questions please do not hesitate to contact us.Will answer your as We soon as possible. Thanks.You were not pleased with if it.Don't leave negative or neutral Please feedback，Any problem with my product if should you contact me first，Am sure everything could I be solved by communication.You need urgent transport welcome， to contact us.