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

Sonata® Smart Breast Pump with PersonalFit Flex™ Breast Shields


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.

Sold Out!
We will update timing as inventory becomes available. In the meantime consider the Freestyle Flex™ Double Electric Breast Pump.


Item # 101037319

Sonata Features & Benefits

  • Double-electric, daily-use breast pump: Designed for moms who pump several times a day
  • 2-Phase Expression Technology with one-touch letdown button: Provides more milk in less time when double pumping when compared to single pumping in the expression phase
  • Smart: Connects with Smart Solution to the Medela Family app
  • Quiet: Our quietest personal-use breast pump allows for discreet pumping anywhere
  • Hospital performance: Inspired by Symphony
  • Illuminated touch screen display and rechargeable battery: To conveniently pump anywhere, anytime
  • Includes two sizes of PersonalFit Flex™ Breast Shields: Proven to remove 11.8% more milk faster. Designed to reduce pressure on the breast and optimize milk flow.* * compared to the traditional 90° breast shield
  • Closed System: Overflow Protection at the kit prevents milk from entering the tubing & motor
Medela Sonata breast pump with grey carry bag and parts

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 Medela Family 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

  • (1) Sonata breast pump with rechargeable lithium-ion battery
  • (1) breast pump bag
  • (1) double pumping kit
  • (2) breast shield connectors, two connector caps, two valves, two silicone membranes and one set of tubing
  • (2) 21 mm and (2) 24 mm PersonalFit Flex™ Breast Shields
  • (4) 5 oz. bottles with lids
  • (1) cooler bag and cooling element
  • (2) bottle stands 
  • (1) power adaptor

Important: Plastic bottles and component parts become brittle when frozen and may break when dropped.  Also, bottles and component parts may become damaged if mishandled, e.g. dropped, over-tightened, or knocked over.  Take appropriate care in handling bottles and components.  Do not use the breastmilk if bottles or components become damaged.



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


  • Unit weight: 2.2 lbs. (breast pump only)/7.71 lbs. (retail package)
  • Unit size/package: 10.34" x 16.37" x 7.13"

Warranty: 1 year limited on motor/90 days on other parts.  For hygienic reasons, cannot be returned to store once opened.  Please contact Medela Customer Service for warranty replacement.

IMPORTANT: Use of pump parts or accessories not designed for your specific breast pump may cause irreversible damage to the product. For that reason, only use the accessories that came with, or are identified by Medela to work with, your specific breast pump model.


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 - 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