【3 Modes & 9 Suction Levels】The breast pump supports 3 modes(Massage Mode/ Suction Mode/ Mixed Mode) and each mode has 9 adjustable suction levels. The pump motor can memorize the suction level when it was last used. 【Anti-Backflow & No Leakage】Adopts anti-backflow design and a seal system, the electric breast pump can prevent the breast milk from being contaminated and leakage. With a 180ml milk bottle for convenient breastmilk storage. 【No Pain & Easy to Clean】The breast cover is made of soft silicone material, which will not cause pain and maintain a good seal. Each part of the breast pump can be detached for more convenient cleaning. 【Built-in Battery & Low Noise Working】Built in rechargeable lithium battery, long working time and can be charged by USB cable quickly. The sound of the breast pump is very low during working, which will not disturb your sleeping baby. Specifications: Color: Pink/ Blue/ White(Optional) Material: PP ' ABS ' Silicone Breast cover Diameter: 22mm Bottle Capacity: 180ml Battery Capacity: 3.7V 1200mAh Power: 3W Charging Port: Type-C Charging Voltage: 5V Packing List: 1 * Pump Motor 1 * Milk Bottle 1 * Linker 1 * Membrane 1 * Valve 1 * Breast Cover 1 * Nipple 1 * Nipple Cover 1 * USB Charging Cable