Ardo Calypso-To-Go Double Electric Breast Pump is intended to be used by lactating women to express and collect milk from their breast. The Calypso breastpump features independent vacuum and cycle adjustment with 64 total settings. “Vacuum Seal” technology creates a closed system means no milk in the tubes or pump. Includes three different sizes of breast shells to ensure that every mother can find the right size to suit her nipple. The soft Optiflow massage inserts (26mm) actively massage the breast and ensure efficient and gentle expression.