4 modes and 12 levels: The portable breast pump includes 4 modes: massage mode, suction mode, frequency conversion mode, and breastfeeding mode, allowing breastfeeding mothers to choose the most suitable mode for themselves 210 milliliter capacity: Unlike the 150-180 milliliter breast pump, our 210 milliliter electric breast pump is suitable for all breastfeeding mothers and comes standard with 24/21/19 millimeter flanges, providing personalized comfort Leak free and quick cleaning: The inner diameter of the breast pump of the hands-free breast pump is inverted, which can prevent breast milk from flowing back when disassembled after breastfeeding. In addition, all components can be disassembled for cleaning Large capacity battery: The breast pump is equipped with a 1200mAh large capacity battery (with a fully charged range of 150 minutes and can be used 6 to 8 times), with LED power display, allowing breastfeeding mothers to monitor the remaining power and use it safely anywhere For novice parents: This hands-free breast pump features a shell shaped design, low-key and hidden under the bra. You are free to use it, whether it's for household chores, work, or driving