Harmony is a manual pump that has been designed for the occasional time when you’re away from your baby. Features a soft-touch, ergonomic handle for enhanced comfort.Manual controlled vacuum allows you to adjust the suction for the most optimal comfort level and efficient flow of breastmilk. Once milk starts to flow, you switch to the longer side of the handle which creates a slower sucking cycle to express the majority of your milk.Unique to Medela breast pumps, this research-based and patented design allows mothers to pump more milk in less time. It resembles a baby’s natural nursing rhythm for improved comfort and efficiency. 2 breastmilk bottles with lid, bottle stand, (1) valve and (2) membranes, instructions for use, and a breastfeeding information guide.