Automatic suction for continuous powerful erections!Transparent Max Boost Pro Flow penis pump from Pump Worx for all men who want an effective workout for their penis and increased potency. With powerful suction at the touch of a button - stimulating like the best blowjob, just lean back and enjoy! Relaxed pleasure to improve erection strength and hardness for long-lasting performance.The easy-to-use penis pump is ready for immediate use and works completely automatically. Simply press a button to conveniently control 8 different suction modes and quick pressure release. The LED display lights up in different colours to show the current internal pressure. The automatic power pump can also be used in and with water.Transparent cylinder with measuring scale. Removable silicone cuff.Rechargeable – USB cable included.Total length 28.6 cm, insertion depth 19.1 cm, inner à 3 cm –5.1 cm.Weight 300 g.ABS, PC, silicone.