Calypso-To-Go Double Electric Breast Pump. Includes Calypso breastpump, 2 pumpsets with multiple breast shells (26 mm and 31 mm), 2 breast shell inserts (28 mm), 2 Optiflow 26 mm, brush for cleaning, bottle holder, battery compartment, power adapter, 2 lip valves (spare part), breastfeeding bag complete with 6 milk bottles, cool bag and cooling insert and Amaryll operating lever. Retail packaging, WHO Code compliant, Battery or electric operation.