The Vibrating Heart is a heart shaped cock ring that vibrates when pressed on your partners clitoris. By selecting the pulse vibe mode your batteries will last longer but your partner will get good sex vibrations every time you press on her clitoris during penetration. But if you want to enjoy good vibrations to simply flick the switch on to permanent vibe. The powerful vibrating bullet inserts into heart shaped pouch attached to the super soft and stretchy cock ring. The inner ring is ribbed to stimulate the penis shaft. A slide button on the bullet turns on the vibrations. Uses 2 x L1 154 cell batteries. Manufacturers batteries are included. These will not be premium make batteries so we advise you invest in spare premium batteries such as Duracell so you won't get let down at the wrong moment! The cock ring increases blood flow in penis to help maintain erection and aid against premature ejaculation. Always use water or oil based sex lube with this sex toy such as ID Glide (see TurnMeOn Essentials). Free lube sample provided. Swift and discreet delivery.