Features: Invisible Wearable Breast PumpThe hands free breast pump can be wear under nursing bra well for more convenient pumping. Moms can pump breast milk anytime anywhere, such as home, office, driving, etc. 3 Modes & 9 Suction LevelsThe wearable breast pump has 3 working modes(Sucking Mode/ Massage Mode/ Sucking + Massage Mixed Mode), and each mode has 9 adjustable suction levels. With LED screen to display mode and suction level, touch button control, simple to use. Anti-Backflow & No LeakageWith anti-backflow design and a seal system, the wearable breast pump can prevent the breast milk from being contaminated and leakage. The milk collector can store 150ml milk. No Pain & More EfficientAdopts soft silicone breast cover design, which will not cause pain and maintain a good seal during usage. Wide angle design, wrap and stimulate wider breast range to improve pumping efficient. Built-in Battery & Low Noise WorkingBuilt in 1200mAh large capacity battery, long working time and can be charged by USB cable quickly. The sound of the wearable breast pump is 40-50dB during working, which will not disturb your sleeping baby. Specifications: Color: White Material: Silicone + ABS Working Mode: Sucking Mode/ Massage Mode/ Sucking + Massage Mixed Mode Suction Level: 9 levels Milk Collector Capacity: 150ml Breast Cover Diameter: 24mm Battery Capacity: 3.7V 1200mAh Charging: 5V/1A USB Charging Time: about 2H Working Time: about 3H Rated Power: 2W Auto Power Off: 30min Working Temperature: 5 to 30 Storage Temperature: -20 to 60 Item Weight: 360g/ 12.7oz( one breast pump) Packing List: 2 * Breast Pump 1 * USB Cable