For a lover of blowjob like you, this toy is an irreplaceable unit of pleasure collection. Pdx Elite Blowjob Power Pump offers the patented Intermittent Life-like Suction technology that is specially designed and developed to imitate the real blowjob without any difference to those you experienced with girls or ladies. As for the modes, you should hold the top button for 3 seconds to switch the toy on or off and adjust the stimulation pattern and speed. Contains no phthalates and has fully removable textured sleeve that is easy-to-wash and use again. Use the R button for quick suction release.