Medela Swing Maxi Flex 2-Phase Double Electric Breast Pump - more effective and efficient expressing. More breast milk, in less time: Double pumping with the Swing Maxi double electric pump - for 18% more milk, with a higher energy content than expressing from each breast in turn. Improved mobility, faster charging: USB Type-C port means this pump can charge faster compared to micro-USB, while a built-in rechargeable battery provides up to 6 pumping sessions on one full charge Shaped around you: The oval shape of the PersonalFit Flex shield with its soft, smooth, flexible rim can be rotated 360 degrees, so you can easily adapt its position to suit your breast shape A natural pumping experience: Medela 2-Phase Expression technology mimics baby’s instinctive rhythms for a more natural-feeling and comfortable pumping experience Kit includes: 1 x Swing Maxi motor unit, 2 x 150ml bottle with lid, 2 x bottle stand, 4 x PersonalFit Flex breast shield (2 x 21mm, 2 x 24mm), 1 x USB cable, 1 x USB adapter, instructions for use. Material Content: Polypropylene, Silicone, Thermoplastic Elastomer