Sonata® Smart Breast Pump with PersonalFit Flex™ Breast Shields Find a store

Sonata® Smart Breast Pump with PersonalFit Flex™ Breast Shields

Item # 101037319

Sonata®, Medela's double-electric breast pump with 2-Phase Expression® Technology, is our smart breast pump designed with you and your baby in mind.

Suggested Retail Price

Sonata Features & Benefits

  • Hospital Performance: Inspired by Symphony, the  #1 Hospital Grade Breast Pump, with powerful vacuum strength and responsive technology for a more consistent pumping experience
  • Rechargeable battery: Freedom to pump anywhere with 1.5 hours of battery life between charges
  • Closed System: Overflow protection at the kit prevents your breast milk from entering the tubing and motor
  • Less than 2.5 lbs: Lightweight for portable pumping and easy to transport with a built-in handle
  • Whisper quiet operation: Sonata is the Medela’s quietest personal-use breast pump to give you the privacy and discretion you deserve, whether pumping day or night
  • Easy to use: take the thinking out of pumping with clinically proven cycle and vacuum patterns
  • Easy to clean: Less parts for simple assembly and use, and less time spent washing and sanitizing
  • More milk, more comfort: Includes two sizes of PersonalFit Flex™ breast shields proven to remove 11.8% more milk faster and designed to reduce pressure on the breast to optimize milk flow
  • Illuminated touch screen display: Perfect for nighttime pumping and tracking your pumping session time
  • Peace of mind & confidence: Keep track of your pumping sessions with Bluetooth connectivity to the MyMedela app for real-time tracking of your pumping sessions

Sonata® Breast Pump - An Overview

Product Description
What's Included
Links & Downloads
Helpful Videos

Medela’s Sonata® Smart Breast Pump is a daily use, double-electric breast pump designed with you and your baby in mind and built for moms who pump several times a day.

Smart Solution™ connects Sonata to our MyMedela® app, your breast milk feeding resource for an instant connection to your personalized pumping dashboard. Real-time tracking of your baby's growth and pumping sessions, including unlimited access to evidence based lactation information and personalized content designed to help you reach your breast milk feeding goals.

Created to enhance your breast milk feeding experience, Sonata delivers:

  • More milk in less time with 2-Phase Expression Technology when double pumping, compared to single pumping.
  • Consistent pumping sessions featuring hospital performance, inspired by Symphony®, in a personal-use breast pump.
  • Flexibility to choose from two clinically tested pumping rhythms for personalized comfort.
  • Quiet when you need it most for discreet pumping situations like on-the-go or late-night sessions. 
  • Efficiency and comfort with Medela's research based PersonalFit Flex™ Breast Shields delivering 11.8% more milk per minute faster.

Is Sonata the right breast pump for you? Learn more

  • One Sonata breast pump with rechargeable lithium-ion battery
  • One breast pump bag
  • One double pumping kit
    Includes two breast shield connectors, two connector caps, two valves, two silicone membranes and one set of tubing
  • One set of 21 mm and 24 mm PersonalFit Flex™ Breast Shields
  • Four 5 oz. bottles with lids
  • One cooler and cooling element
  • Two bottle stands 
  • One power adaptor


  • Color bag: black
  • UL listed
  • Power input: 100-240V~/50-60Hz/400-200mA


  • Unit weight: 2.2 lbs. (breast pump only)/8.18 lbs. (retail package)
  • Unit size/package: 10.43" x 16.375" x 9.125"
  • Warranty: 1 year limited on motor/90 days on other parts. Please contact Medela Customer Service for warranty replacement.




Sonata® Breast Pump - Alerts and Alarms

Sonata® Breast Pump - An Overview

Sonata® Breast Pump - Fixing Little to No Suction

Sonata® Breast Pump - How to Assemble

Sonata® Breast Pump - How to Clean

Sonata® Breast Pump - How to Set the Timer

Sonata® Breast Pump - How to Use

Sonata® Breast Pump - Pairing with MyMedela

Sonata® Breast Pump - Resetting Your Pump

Sonata® Breast Pump - Sonata Sounds

Sonata® Breast Pump - This Is Performance

Sonata® Breast Pump - This Is Quiet

Sonata® Breast Pump - This Is Smart

Sonata® Pump - Fix Little to No Milk Expression

Sonata® Pump - Resolve MyMedela Pairing Issues