The Spectra S1 Plus is a hospital-grade double electric breast pump designed for efficient and comfortable milk expression. It features adjustable suction levels and cycle speeds, allowing mothers to customize pumping sessions to their individual needs and preferences. The closed system ensures hygiene by preventing milk from entering the pump motor. The S1 Plus is known for its quiet operation and built-in rechargeable battery, making it convenient for use at home or on the go. Key features include a massage mode to stimulate milk let-down, a night light for nighttime pumping, and digital display for easy monitoring. It's designed to be both effective and gentle, suitable for frequent use by mothers who need to pump regularly or exclusively.