Mouth-shaped masturbator with the sensational wave-massage technique (patented - German invention!) in the grooved lust tunnel. At the push of a button three rotation stick with beads and small plates move spirally and create the unique wave effect. Additionally you have the choice between three vibration speeds and change of direction all adjustable by controllers at the button - what else could you want? The LED display indicates the active feature. Total length approx. 23 cm, outer ø 9 cm, inner ø 3.5 cm (slightly flexible). Penetration depth approx. 12 cm. Rechargeable with enclosed USB cable and power plug. Material: silicone, ABS, phthalate-free according to EU Regulation REACH.