LOVI Prolactis 3D Soft Two-Phase Electric Breast Pump Features: Two-phase suction technology for natural milk stimulation and let-down. Silicone cushion 9 levels of milk suction. Quiet operation with low noise. USB rechargeable battery. Easy-to-use LED touch screen. BPA-free and safe for mother and baby. Easy to clean and assemble. Lightweight design, suitable for carrying and travel.