Medela Swing Electric Breast Pump with Calma Efficient The Swing pumps more milk in less time thanks to its 2-phase expression technology, the first research-based breast pump technology that mimics a baby's natural nursing rhythm. Designed for every-day use This popular pump is for mothers who want to use a breast pump every day. It is perfect for a busy mother who works, plays sport, wants to go shopping or go out for an evening. If you don’t want to spend a lot of time pumping, the Swing electric breast pump is the ideal solution. Comfortable and easy to handle The Swing pump is easy to assemble and clean. You can switch between phases and set the most comfortable vacuum level. The battery option, combined with a belt clip, guarantees maximum mobility, and it can also be used with a mains adapter.