Adam and Eve Rechargeable Penis Pump Grow bigger, harder erectionswith the lastest in pump technology. Reach full performance potential measure your progress and fine tune the pump setting that is right for you! Slip into the soft silicone sleeve and get circulation moving into your shaft with a push button case safely and incrementally . A digital display lets you ramp up or decrease pressure instantly. USB rechargeable. Dismantles for easy cleaning. Features: smart penis pump. Draws circulation safely and incrementally. Choose from 2 modes: intelligent and manual. 5 diferent pressure presets from low to high Kilopascals kpa pressure. Clea rtube shows growth in inches and centimeters. 1 creamy smooth silicone sleeve provided. 1 extra silicone O-ring provided. Made using body safe materials ABS and PC plastic.