【Wearable Breast Pump】The hands free electric breast pump can be wear under nursing bra(not included) well for more convenient pumping. Quick to assemble, easy to clean. No cord, no wardrobe changes and no fuss. 【3 Modes & 12 Suction Levels】The wearable breast pump supports 3 modes: Massage Mode/ Sucking Mode/ Auto Mode(Massage & Suckling Mode Alternated), and each mode has 12 adjustable suction levels. With LED screen to display mode and suction level, easy to use. 【Built-in Battery & Low Noise Working】Built 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 Leakage】Adopts 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 Well】24mm 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.