The classic JelIy Caribbean series enters the new age with the Crystal Caribbean series. The same great shapes and soft jelIy material that you know and love, with a new 10 Function controller that wiII have you reach new leveIs of ecstasy that you?ve onIy dreamt of. Easy to use push button controls at your fingertips, wiIl have choosing between your favorite vibrating pIeasures, such as puIsating, surging and the ultimate roller coaster spurt. Waterproof for fun in and out of the water. Uses 2 "AA" batteries not included.