M9 breast pump motor offers powerful suction up to -300mmHg to increase milk output.Personalize patterns via the Momcozy app, adjusting mode and intensity to suit your comfort and preference.Personalize patterns via the Momcozy app, adjusting mode and intensity to suit your comfort and preference.On a single charge, enjoy 4 to 5 pumping sessions, ideal for busy moms pumping on-the-go.