Used 1-2 times a week for a month. Power on confirmed. Discounts available for bulk purchases. 【Portable Design】 This electric breast pump is designed to be compact and portable. It's easy to use on the go, reducing stress when expressing breast milk. 【3 Modes and 9 Intensity Levels】The electric breast pump has three modes: "Massage Mode," "Expression Mode," and "Mixed Mode." The intensity can also be adjusted in 9 levels, allowing mothers to freely adjust the suction strength to their physical condition, providing a comfortable pumping experience similar to a baby's natural suckling. 【Anti-Backflow Design】The duckbill valve accessory prevents milk backflow, ensuring that milk flows in only one direction from top to bottom, avoiding secondary contamination and providing safe milk for the baby. 【New Shape of the Breast Shield】Designed with a 105° opening angle, it puts less pressure on the breast, and research has shown that it can express up to 11.8% more breast milk. The soft silicone pad design also fits comfortably on the breast, providing a soft and warm feel. 【USB Charging & Low Noise Design】The breast pump uses a USB cable for charging and can be charged anywhere using a power bank or power adapter. Its compact design makes it small and light, making it easy to carry in a bag when going out. With advanced milk suction technology, the noise is less than 50 dB, so the baby won't be disturbed while feeding or sleeping. 【Simple Design for Easy Cleaning】Made of BPA-free food-grade silicone and PP materials, it has excellent heat resistance and drop resistance and can be sterilized in boiling water. All parts are removable and easy to clean, sterilize, and dry. Note: Electrical components cannot be washed. (Please follow the manufacturer's instructions for use.)