Portable Rechargeable Double Electric Breast Pump [Efficient Breast Pump] 3 modes and 9 levels of controlled electric breast pump allows you to adjust the suction to the most ideal comfort level and efficient flow of breast milk. The original comfort mode is very suitable for novice mothers, which can help mothers choose the right pumping intensity. This research-based and patented design allows mothers to pump more milk in less time. Anti-backflow design-The professional backflow protection system prevents milk from entering the electric breast pump machine and keeps the milk clean. Quiet design and safe material' innovative pumping technology, the sound is less than 55 decibels when used, and will not disturb the baby's quiet peace of mind. All accessories are made from food grade material and BPA free, ensuring baby drinks safe milk. [Rechargeable and Portable]The lightweight electric breast pump has a 1600mAh capacity rechargeable battery, good for travel and on the go. You can work, go out or just enjoy some quiet peace... All while you pump. Real hands free breast pump for moms.