?Quiet Design and Safe Material?Innovative pumping technology, the sound is less than 55 decibels when used, and will not disturb the baby quiet peace of mind. All accessories are made from food grade material and BPA free ensuring that the baby drinks safe milk. ?USB Rechargeable Battery Portable Breast Pump?Travel-ready at short time, including a USB charging cable and built-in lithium battery with large capacity(INPUT: 5V/1A, NOT INCLUDED). A full charge takes about 1 hour. ?Easy to Use?Lulia breast pump uses mechanical buttons to avoid the problem of unresponsive touch screen when hands are wet. New design and concept and improved experience meet more demands of breastfeeding moms. ?Waterproof and Food Grade Material?The anti-reflux design of our electric breast pump can prevent the secondary backflow of breast milk, even pouring the bottle will not cause the milk backflow to contaminate the breast pump. The parts of the Lulia electric breast pump are made of food-grade materials and liquid silicone, Don't worry about potentially harmful substances enter breast milk. ?Efficient Breast Pump?Lulia Breast Pump includes Massage Sucking and Expression Modes. Massage mode is to stimulate the breast. Sucking mode(Mode of maximum suction power) is to produce normally milk. Comfort mode can help mothers choose the right pumping intensity. You can adjust the frequency freely, bid farewell to breast pain.