SAFETY FIRST: silicone rubber material, BPA free, meet FDA, FLGB; food grade material level: heat resistant and can be poached or disinfected. ERGONOMIC DESIGN: bionic pacifier, compatible with other feeding products, such as natural and classic bottles and breast milk storage containers; can prevent reverse milk flow; universal interface of USB power interface: convenient to access phone chargers, power bank, computers, PC, etc. MODES AND 9 GEAR SEPARATELY: two suction modes of the breast and breast massager, two modes of individual breast shields for comfort: 9 gears of breast pump and breast massager separately to help you choose your most comfortable setting. EASY TO CLEAN AND PORTABLE: electric breast pump is very strong suction, it can bring a lot of milk in the short time, and it is lightweight and can be used daily when traveling or staying at home, easy to assemble, operate and clean with anti backflow system. PROBLEM SOLVED FOR MOTHER AND BABY: solve the pain of milk rising, milk storage, infant milk foaming problem. please just enjoy the fun of being a mother with our electric breast pump.