DESIGNED FOR MOMS ON THE GO: All in one mobile and portable pumping solution, small enough to take with you anywhere. Designed for your active lifestyle, fits into your pocket, purse or baby bag for easy access and portability DOUBLE ELECTRIC BREAST PUMP: Designed for daily use for moms who pump several times a day, thanks to its patented, research based 2-Phase Expression Technology which produces more milk in less time* for more efficient expression and maximum flow RELIABLE CLOSED SYSTEM: Closed system design with Overflow Protection at the kit prevents your breast milk from entering tubing; easy to clean connectors PORTABLE AND LIGHTWEIGHT: Compact, easy to hold, and weighs less than 1 pound, the Freestyle Flex has a modern design and an easy to use digital display and back lighting, best of all it fits right in the palm of your hand RECHARGEABLE BATTERY: Rechargeable lithium ion battery, USB charging cable and Bluetooth connectivity to the Medela Family app provides convenient pump operation; battery lasts up to 2 hours, making it easy to be out and about