Pump with shoulder bag. -Improved 2-Phase Expression Technology allows moms to toggle back and forth from stimulation to expression phase. -All parts that come into contact with breast milk are BPA-free. -Top selling personal-use pumps with new design. -Includes AC adapter and battery pack or use with 9-volt vehicle lighter adapter (sold separately). -PersonalFit breastshields. -New bottle design. -Integrated motor. -Single user item. -Use by more than one user may pose a health risk, performance questions and voids the warranty.