This ring will make you have a lasting erection. In the thick part at the top there is a mini bullet vibrator that stimulates the clitoris and ensures that your partner can also enjoy the ring. If you wish, you can also use the ring with the bullet down, so you can enjoy yourself. The bullet vibrator works with 3 LR41 batteries that are easy to replace when necessary. Features: Flexible Waterproof It works with LR41 batteries Measures: 5.5 cm x 3 cm