Insert your penis into this powerful, tight masturbator and let him do the rest. The inner chamber spins dozens of soft TPR nubs as it caresses your penis. It has 4 rotation speeds and 4 up and down modes for an intense sensation. Characteristics: Strong vibrations High stimulation 4 vibration modes 4 rotation modes Up and down function 4 AAA batteries Ergonomic design Pretty Love manufactures high quality products. They have a 1 year warranty on technical defects.