Innovative concept of vibrating balls, consisting of two balls with a built-in vibrator. With a simple click, you can switch between 7 different modes of vibration, impulses, scaling, etc. of the vibrator. The ergonomically designed vibrator control unit allows the balls to be controlled separately, as well as being waterproof. The balls have a diameter of 30 mm. When you have discovered this wonderful toy, you will regret the time you have lost without having it. It works with 2 R6 / AA batteries that you can find in the Batteries section.