When mothers turn on the breast pump and use it, it will automatically upshift after every 90 seconds until the 5th level. - Ensure that every mother find her own pumping rhythm without any pain and produce more milk in shorter time. - The recommended optimal breast pumping volume is 120 ml. 【More User-friendly Design】:Portable breast pump uses more advanced and durable touch buttons and LED display. The thickened Silicone seal and the anti-reflux duckbill valve allow mothers not to worry about milk leakage. And the sound does not exceed 45 db during pumping, your baby can still sleep soundly without being affected. 【Completely Free Your Hands】: Wearable breast pump gives a better way to pump. - You can get more mobility and no leaks compared to other breast pump. - Since then you can get things done while pumping. 【100% Healthy Material】: Breast pump has a soft 24mm flange that is made of food-grade soft silicone. - Skin-friendly, healthy and BPA-free. - And it comes with 3 Flanges(17/19/21mm) to choose from so you can choose the right comfort size for you. - At the same time maintain a good seal to achieve the best suction. 【Portable & Wireless Use】: Lightweight and portable breast pump is your best solution for working , get outside and travel out during breastfeeding. 1200m - Ah capacity rechargeable battery can be used for about 120 minutes/4-8 times. Package include: 1*Hands Free Breast Pump (The Flange size: 24mm) 3 Flanges (21mm, 19mm, 17mm); 1*Duckbill Valve; 2*Sealing Rings;1*Bra Adjuster; 1*Charging cable;1*Storage bag - Product Description: Hands Free and Wearable Breast Pump for Moms: Come with 17mm/19mm/21mm Flanges(24mm Default) 3 modes and 9 levels adjustable suction Upgraded LED display and advanced touch buttons Improved thicker lid can prevent milk leakage Qualified low noise design 1200m - Ah long-life rechargeable battery - More User-friendly Design:In order to make it more convenient for mothers to use, the host of the pump is made of advanced and durable touch buttons and clearer LED display. Smarter Program: When moms turn on the breast pump and use it, it will automatically upshift after every 90 seconds until the 5th level. - That can Help mothers to smoothly transition to their breast pumping rhythm. Portable and Can Be Worn in-Bra: The net weight of the breast pump is less than 9oz. It can be easily put into any bags and carry to anywhere. - Moms can also wear it in a bra to make it invisible. - Unique leak-proof milk design The thickened silicone seal of the breast pump adopts comfortable ergonomic design. So It can fit the breast well to effectively relieve the mother’s pain and prevent milk leakage. - Save Time & Increase Milk Output Designed with 9 suction levels, the powerful suction of the electric breast pump not only increase the output efficiency of breast milk, but also saves precious time of moms. - Easy to Clean Every part of this breast pump can be take-apart , cleaning by hot water or dishwasher top rack. - So easy to clean that do not worry about the bacteria hidden in the corner of the pump.