Could not breast feed due to low supply. Hands-free, hospital-grade performance electric breast pump. (5 oz) Finally, hospital-grade performance (a whopping -300 mmHg*) that’s portable, liberating you from sockets and wires. Elvie Stride gives you ultimate connected control with our Pump with Elvie app, so you can fully manage your pump without so much as tweaking your t-shirt. Key features: • Hands-free • 10 intensity settings with Stimulation and Expression modes for natural suction • Lightweight and comfortable cups, less than 5 oz per cup • Discrete design contoured to the natural shape of the breast • App-connected and controlled • Easy to assemble and clean by hand or in the dishwasher • Rechargeable battery lasts for nearly three hours of pumping • Safe and hygienic, BPA free • 24mm breast shields included in box.