The ZOLO Power Stroker is a male masturbator that uses automatic vibration and squeeze technology to give a tailored stimulation experience! The patented SensaStroke technology provides faster strokes for stronger vibrations and the built-in erotic audio adds to the stimulation. Ten squeeze modes seven vibration patterns and three speeds combine to make 20 unique functions. The Power Stroker uses magnetic USB charging and is made from hypoallergenic materials.