Electric double breast pump comes with a lithium-ion batteryExperience two ways of pumping with this single pump, so you can pump with the hands-free collection cups and the PersonalFit flex pumping kitLightweight design is crafted to fit comfortably and discretely in your bra, for hands-free comfortHands-free collection cups stand vertically on surfaces to prevent tipping, and easy pour spout helps keep things tidy while transferring milkIncluded in the box: Swing Maxi motor unit; two 150 ml bottles with lid; two bottle stands; two Personalfit flex connectors; two Personalfit flex breast shields size 21mm/24mm; USB power adapter and cable; two hands-free cups; two 21mm/24mm breast shields with two O-rings already applied on the shield; two membranes; two extension tubings; instructions