The new Swing Maxi is a compact and easy-to-use double electric breast pump that promotes mobility to fit perfectly into your lifestyle. Designed for the active mom with an all-in-one solution for your busy lifestyle and on the go. More mobility with built-in rechargeable battery providing up to 6 sessions of expression on a full charge Features: -Compact and portable design allows you more mobility during expression -Weighs less than a pound -Closed system design with Overfill Protection -Designed for daily use for moms who express multiple times a day -Research-based 2-Phase Expression technology that produces more milk in less time for more efficient expression and maximum flow - Including only a few parts, it is easy to assemble and clean -Lithium-ion rechargeable battery and USB charging cable -Bluetooth connectivity to the Medela Family app -PersonalFit Flex ™ nipple for more comfort and 11.8% more milk **, 2 sizes included -Intuitive interface with 4 easy-to-use buttons and 9 pre-programmed settings -compatible with the Hands-Free Collector (1083087) Includes: (1) Maxi Swing Motor Unit; (2) 150 ml (5 oz) bottles with lids; (2) Bottle holders; (2) PersonalFit Flex ™ Connectors; (2) PersonalFit Flex breast shields size 21 mm; (2) PersonalFit Flex breast shield size 24 mm; (1) Backpack with integrated cooler bag; (1) USB charging cable; (1) USB power adapter; (1) Instructions for use