Wearable Breast Pump Electric Silent Breast Pumping Invisible Milking EFFECTIVE EXPRESSION - Our electric breast pump has 2 modes that mimic baby's feeding pattern for optimal expression. Each mode has 5 levels of intensity adjustment. Make sure every mum finds her own rhythm and produces more milk in less time. Practical features - Physical buttons last longer and are less prone to damage than touch screens. Innovative suction technology, the sound is less than 55 decibels when in use, and will not disturb the sleeping baby. The breast pump flange has soft edges and is made of food-grade soft silicone. Skin friendly, safe and BPA free. While maintaining a good seal for optimal suction. Maximum Suction Value Range: 280-300mmhg Professional Design - Closed system, silicone protection valve helps prevent milk leakage and protect mom and baby from bacteria. The capacity of the breast pump is 180ml, and the container is marked with graduation marks. The recommended optimal expression volume is 120ml. Portable and Cordless Use - Lightweight and portable breast pump with rechargeable 800 Mah capacity battery for expressing on the go. After fully charged, it can be used for about 80 minutes/3-6 times