Features: Wearable PumpThe hands-free electric pump can be worn under the nursing bra (not included) for more convenient pumping. Quick to assemble, easy to. No strings, no wardrobe changes and no hassle. 3 Modes & 12 Suction LevelsThe wearable pump supports 3 modes: massage mode/suction mode/auto mode (massage and suction mode alternate), and each mode has 12 adjustable suction levels. With screen to display suction mode and level, easy to use. Integrated Work and Low NoiseBuilt in 1000mAh, it works for a long time and can be charged by the included USB cable quickly and conveniently. Low noise operation, will not disturb your. -Backflow and No LeakageAdopts backflow and sealing system design, the wearable pump can prevent milk from being contaminated and leaking. And with a storage cup that can collect at most. 180ml of milk. Painless and Fits Well24mm flange is suitable for most sizes; Made of soft silicone material, which does not cause pain and maintains a seal. Compact and lightweight, it can be placed for convenient carrying. Specifications: Color: Material: + Silicone Flange diameter: 24mm Storage capacity: 180ml Modes: 3 Suction level: 12 Capacity: 3.7V 1000mAh Port: Type-C Voltage: 5V 1A