The Commander XL Electric Pump is easy to use, easy to clean and delivers powerful suction. The 10-inch tube is designed to accommodate larger penises and the removable, rechargeable power source makes cleaning a breeze and charging discreet. Press and hold the gray button until the desired level of suction is reached. To release the suction, simply press the red quick release button. Three velvety soft silicone sleeves in varying sizes accompany the pump to ensure a comfortable fit. To charge, plug in the charger to the back of the pump power source and connect USB to a wall outlet.