About this itemWelcome to Sonata, the quiet and powerful double electric breast pump from Medela carefully designed with your comfort and convenience in mind. Cordless operation with rechargeable battery, touchscreen display and night light for seamless pumping day or night. Engineered with 2-Phase Expression technology and smart capabilities, Sonata connects to a smart tracking app for access to your real-time pumping data, baby's growth, and a variety of breast milk feeding resources, including evidence-based lactation guidance and personalized content to help you reach your breast milk feeding goals. Features