BEasy Operating Manual Brast Pumps Suction Breast-feeding Supplies Brast Pumps Accessories ReviewbP PP Easy Operating Manual Brast Pumps Suction Breast-feeding Supplies Brast Pumps Accessories PCould have rhythm like baby sucking to promote the secretion of hormonesPAdjustable handle can master sucked rhythmPAt first can adjust to the fast-paced sucked, can accelerate the secretion of milkPAfter the milk flow out, can change to slow suckedPBreast pump can be used by adjusting the handle, two sucked the rhythmP