Portable Breast Pump, Hands Free Breast Pump with 2 Modes and 5 Levels, Can be Worn in Your Bra 1.EFFICIENT BREAST PUMP electric breast pump has 2 modes and 5 levels. Suggestions for mode selection: massage first and then pump, mimicking the baby's feeding mode to optimize milk production. Make sure each mother produces more milk in a shorter time and give mothers more choice and convenience. 2.Food Grade Silicone breast pump accessories are made of soft food grade silicone, easy to remove and clean while maintaining a good seal for the best suction. Maximum range of suction power: 280-300 mmHg. 3.Portable Breast Pump Silicone valve helps prevent milk leaks. The Momcozy breast pump has a 6.1 fluid ounce capacity, and the container is marked. The optimal volume of milk is 4.1 fluid ounces. The portable breast pump sucks up every drop of breast milk. Please measure correctly and choose the right flange size to help breast milk flow smoothly. 4.Innovative pump technology: When using the pump, the sound is less than 55 decibels, it will not disturb a sleeping baby. 5.Silent Design Compared to touch screen, physical buttons have a longer lifespan and are less likely to be damaged. Built-in bra adjustment buckle helps improve the use of your pump. 6.Function pump battery capacity is increased to 1200mAh, and the compact and portable pump allows mothers to breastfeed anytime, anywhere. After fully charged, it can be used for about 80 minutes/4 - 6 times, and the auto power off function every 20 minutes helps mothers to suck milk comfortably.