Medela's Swing Electric Breast Pump is the smallest and the lightest pump in the brand's 2-phase lineup, which makes it a great choice for all those moms who are looking for a compact and functional pump. The swing pump has been designed using the best, high-grade materials, which means its built to last. The Medela Swing Breast Pump is also easy to use, all you have to do is place it on a tabletop or attach it to your pocket or hang it from a neck/shoulder strap and you're good to go. The machine features 2-Phase expression technology that mimics the sucking of a baby. This compact and light weight breast pump is convenient to use and can be maintained hassle-free.