Hospital-Grade Breast Pump: The double electric breast pump is made of food-grade silicone material to protect the health of mother and baby. This electric breast pump adopts an anti-backflow design, which blocks the backflow of breast milk, avoids breast milk pollution, prevents damage to the host, and allows the baby to enjoy the purest breast milk Efficient Breastfeeding and Expressing: This hands-free breast pump has 2 modes: massage mode and expressing mode; 14 levels of suction adjustable: 5 levels of suction in massage mode, 9 levels of suction in expressing mode. Gentle and fast high-frequency stimulation of lactation, helping mothers express more milk easily in a shorter period of time Soft Silicone Massage Flange: The Chefhandy electric breast pump offers 2 sizes of flanges, 24mm and 27mm, to meet the different needs of mothers. Different from the common flanges on the market, our flange has 5 finger-like bumps, which can be pressed and massaged at the same time to stimulate lactation, helping mothers release more breast milk and enjoy a comfortable breastfeeding experience Portable and Rechargeable: LED touch screen display, easy to operate. The breast pump is small and light, easy to carry around. Built-in large-capacity rechargeable battery, USB multiple power supply methods. The battery lasts up to 3 hours on a full charge so you can express anywhere Ultra Quiet: Our dual electric breast pump adopts advanced anti-shock and noise reduction technology. The sound of the breast pump is less than 40 decibels when it is running, so it will not disturb your baby's sleep. You can use the hands-free double breast pump while reading or doing household cleaning