Features: Wearable Breast PumpThe hands free electric breast pump can be wear under nursing bra(not included) well for more convenient and more flexible pumping. Quick to assemble, easy to clean. No cord, no wardrobe changes and no fuss. 4 Modes & 9 Suction LevelsThe wearable breast pump supports 4 modes: Auto Mode/Massage Mode/ Stimulation Mode/ Sucking Mode, and each mode has 9 adjustable suction levels. 20 minutes auto shut off and you can pause the breast pump at anytime. And supports working mode and suction level memory function. Built-in Battery & Low Noise WorkingBuilt in 1000mAh lithium battery, long working time and can be charged by the included USB cable quickly and conveniently. Low noise working, will not disturb your sleeping baby. Anti-Backflow & No LeakageAdopts anti-backflow and seal system design, the wearable breast pump can prevent the breast milk from being contaminated and leakage. And with a storage cup that can collect max. 180ml breast milk. No Pain & Fits Well24mm flange is suitable for most breast size; made of soft silicone material, which will not cause pain and maintain a good seal. Compact and lightweight, can be put into backpack for convenient carry. Specifications: Color: White Material: PP + Silicone Flange Diameter: 24mm Storage Capacity: 180ml Modes: 4 Suction Level: 9 Battery Capacity: 3.7V 1000mAh Charging Time: about 2.5 hours Working Time: 80-90min Charging Port: Type-C Charging Voltage: 5V 1A Packing List: 1 * Breast Pump 1 * Charging Cable 1 * Users Manual(English)