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. 4 Modes & 9 Suction LevelsThe wearable breast pump has 4 working modes(Massage Mode/ Vibration & Suction Mode/ Soothing Mode/ Nipple Pulling Mode). And supports 9 adjustable suction levels in Massage/ Vibration & Suction modes, and 3 adjustable levels in Nipple Pulling mode, suitable for different moms. 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. With a 150ml milk collector for convenient breastmilk storage. No Pain & More EfficientMade of PP & soft silicone material, which will not cause pain and maintain a good seal during usage. 160 wide angle design, wrap and stimulate wider breast range to improve pumping efficient. Built-in Battery & Low Noise WorkingBuilt in 1500mAh large capacity battery, long working time and can be charged by USB cable quickly. The sound of the wearable breast pump is about 46dB during working, which will not disturb your sleeping baby. Specifications: Color: White Material: PP + Silicone Battery Capacity: 3.7V 1500mAh Charging: 5V/1A Type-C Charging Time: about 3H Working Time: about 2.5H Auto Power-off: 30min Power: 5W Milk Collector Capacity: 150ml Item Size: 12 * 10.4 * 6.6cm/ 4.7 * 4.1 * 2.6in Packing List: 1 * Breast Pump 1 * USB Cable