highly efficient. comfortable. quick. The new compact double electric breastpump Swing maxi is perfect for all mothers looking for a simple and time-saving solution. Ideal to increase milk supply and for daily use. Support of milk supply: double pumping can help to increase and sustain milk supply. Efficiency: simultaneous expression in combination with the 2-Phase Expression Technology provides you a maximum of time-saving. Comfortable: a range of vacuum levels and settings. Easy to use: easy to assemble, use and clean. Flexible: light and compact to pump at home or on the go, use with batteries or main adapter.