The Momcozy M6 hands-free breast pump is uniquely designed with optimal rhythm, which is proven to help increase milk supply. This pump offers a powerful suction strength, 3 adjustable modes, and 9 levels to find your ideal comfort without affecting any effectiveness during each pumping session. The Momcozy Mobile Style wearable pump has 4 different size options to choose from, a comfortable double-fit sealed silicone flange, long battery life, and only 4 easy-to-clean pieces to save you time.