Wearable Breast Pump - Massage first and then pump, 2 working mode adjusted freely and 9 levels. Bionic design fit female lactation frequency, comfortable suction.By frequency conversion microseismic technology circularly to stimulate and dredge breast, to promote more milk than traditional breast pump.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 or 2-4 times.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.WEARABLE and HANDS-FREE: The Breast Pump can be worn inside a standard nursing bra, so you can pump completely hands-free anywhere. This electric breast pump make it possible to pump at home, at work or on-the-go. Breast pump bag included make it more portable and easier for you to carry when you are working or travelling.Max suction value range: 280300mmHg.SAFE MATERIAL: All breast pump parts are made from food grade silicone amd PP ( BPA FREE) and without harmful substances.No worry about potential chemicals leeching into mom's breast milk.So you can rest assured that breast milk will be 100 percent safe for your baby to consume.SUPER QUIET and USB RECHARGEABLE: With solid material, the noise of motor is controlled under 50dB. It is slightly loud and we know that your baby needs an uninterrupted, good nights sleep. With this rechargeable breast pump, you can charge it easily by power bank, computer or other device anywhere you want.