A vibrating ring made of stretchy material will give you a strong and long erection, and the addition of a vibrating part will speed up your action and increase the intensity of orgasm with your partner. Ideal for couples who want to ensure unforgettable and exciting nights. The ring runs on batteries and is controlled by a button. The diameter of the ring is 3 cm and it can expand 3 times. Wash with warm soapy water after use.