This is hot American and Europe market sex toy for man the super amazing penis enlargement system. Powerful rechargeable. QUICK PRESS the "+" to increase the pressure .3 speeds-LOW, MIDDLE HIGH speed QUICK PRESS the "-" to decrease the pressure. 3 speeds-high, middle, low speed PRESS AND HOLD ON "-" to release the air. Power button-press and hold on 3 seconds to turn on/off the pump, automatically go to the low speed suction. QUICK PRESS the power button to pause sucking.