Wearable Breast Pump: Electric breast pump has 2 modes and 9 levels. Suggestions for mode selection: massage first and then pump, imitating the baby's feeding mode to optimize milk production. Ensure that each mother produces more milk in a shorter time, and give new mothers more choices and comfort. Smart Upgrade Design: LCD screen, clear at a glance. With memory function, 30 minutes of scheduled shutdown, simple operation. 1000 mAh capacity battery, Type-C charging is faster, after fully charged, it can be used for about 80 minutes / 2-4 times. Food-grade Silicone: Breast pump accessories are made of soft food-grade silicone, they are easy to removable and clean while maintaining a good seal to achieve the best suction. Max suction value range: 280300mmHg. Low Noise: Innovative pumping technology, the sound is less than 50 dB when used, and will not disturb a sleeping baby. The wireless and hands-free breast pump is convenient for mom to use the pump at any time. The built-in bra adjustment buckle helps to improve Wear your breast pump well. NoLeakage: Silicone valvehelps no milk leakage. The wearable breast pump has a capacity of 180ml, and the container is marked with a tick mark. The recommended optimal breast pumping volume is 120 ml. Portable breast pump suck every drop of breast milk. Measure correctly and choose the right flange size to help breast milk flow out smoothly.