Efficient Pumping - Our electric breast pumps have 2 modes to mimic baby's feeding patterns for optimized milk expression. Each mode has 5 levels of intensity adjustment. Ensure that every mother can find her own rhythm and produce more milk in a shorter time. Practical Functions - Compared with the touch screen, the physical keys have a longer service life and are more difficult to damage. Innovative pumping technology, the sound is less than 55 db when used, so it will not disturb a sleeping baby. Breast pump flange has soft edges and is made of food-grade soft silicone. Skin-friendly, safe and BPA-free. At the same time maintain a good seal to achieve the best suction.Max range of suction value: 280300mmHg Professional Design - Closed system, silicone protection valve helps prevent milk leakage and protect mother and baby from bacteria. Mom cozy breast pump has a capacity of 180ml, and the container is marked with a graduation line. The recommended best breast pumping capacity is 120ml. Portable & Wireless Use - Lightweight and portable pump and 800 mAh capacity rechargeable battery for on the go pumping. After fully charged, It can be used for about 80 min/3-6 times