Faster than other methods of expressing milk, Require less effort to use than manual pumps. More comfortable for you because they offer multiple settings. Offer you more choices, with models including hospital-grade pumps and double breast pumps breast pumps have adjustable features you may find beneficial, including: Double-pumping function, allowing you to pump both breasts at once. Tailored suction to mimic your baby's sucking patterns Stimulation/Expression mode are switchable