Comes with 24 mm breast shield and 21 mm silicone flange insert, you can freely choose the right comfort flange size for a better fit. Using a suitable flange can maintain a good seal to achieve the best suction. S21 electric breast pump made of food grade silicone and PP (BPA FREE), skin-friendly and soft. Professional anti-backflow design prevents the milk leakage and keeps the breast milk clean and fresh.
Tidy unique design makes wireless silicone breast pump to clean easily, giving more health for you and your baby. Smart Upgrade & Low Noise? Innovative pumping technology with no more than 28 db of sound during using, without disturbing the baby's sweet dreams even in the silent night.
20-minute auto shutdown tech can protect your breast well and no worry about long-term pumping during sleeping because of forgetting to shut down. LCD Display & Easy To Use? Sensitive operation panel only need one finger to control. It is convenient for you to express pump milk quickly and quickly, and relieve the pain when the breast is full.LCD displays the pumping time, mode and strength level, battery status, helping you know pumping process clearly. Bpa Free, Hands Free, Lightweight, Portable, Wearable.