Rumbling vibrations from within the elastomer sleeve bring a sensation from another world to your hands. This is made possible with yet another TENGA engineered first two Vibrating Cores housed inside the elastomer.Masturbator that can be opened out, With 4 different dotted and grooved textures, With an integrated drying stand, Hygienic use because it is easy to clean, An absolute must-have for your favourite feature!This transparent masturbator gives HIM twice the pleasure! While the head is pampered by a ball, countless nubs, grooves and waves stimulate the shaft. Strong vibrations from the tip provide rumbling sensations with each stroke. Pure pleasure!Waterproof. USB rechargeable.