The Swing Maxi is a compact, easy-to-use double electric breast pump with improved mobility to fit seamlessly into your lifestyle. Medela updates the iconic Swing Maxi Flex with the contemporary and stylish redesign of the Swing Maxi. Improve your mobility thanks to the integrated rechargeable battery that lasts up to a maximum of six pumping sessions. Continue to benefit from Medela's Flex technology, which gives you flexibility and the comfortable, effective pumping experience you deserve. More milk in less time. Just like its predecessor, the Swing Maxi Flex, the new Swing Maxi is a double pump that allows you to express milk from both breasts simultaneously, making pumping twice as fast. Plus, pumping from both breasts at the same time has been shown to increase milk production, with 18% more milk 1. 2-Phase Expression Technology. During a session, babies start with short, rapid sucks to stimulate the milk ejection reflex. When the milk starts to flow, they switch to a slower, deeper rhythm to properly feed. Medela's 2-Phase Expression® technology simulates a baby's natural sucking rhythm: first fast, to stimulate milk flow, then slower, to achieve optimal milk flow. PersonalFit Flex™ Breast Shield. With a 105-degree opening angle, smooth rim and oval shape for a better fit, the PersonalFit Flex™ Breast Shield puts less pressure on your milk ducts than traditional breast shields, giving you a more comfortable and effective pumping experience. More comfort for you and up to 11% more milk for your baby – scientifically proven 4. Two breast shield sizes included: 21mm and 24mm. Pump anywhere, even when there's no power outlet. With the available USB Type-C connector, the built-in rechargeable battery charges faster compared to the micro-USB port, reaching a range of up to six pumping sessions on a full charge. Intuitive and hassle-free. The Swing Maxi™ features nine pre-programmed settings that you can select and control with the help of four easy-to-use buttons. With fewer parts, the Swing Maxi™ double electric breast pump makes assembly and cleaning a breeze. The Medela Swing Maxi breast pump has been designed to be easy to use thanks to its intuitive controls. The pump has just four easy-to-use buttons on the suction unit and simple icons that show the main functions. It includes nine pre-programmed settings to make it easy for you to choose your maximum tolerable vacuum level.