Electric Breast Pump Duo

User Manual Coming Soon



A closed system keeps the tubing and motor free from milk backflow and moisture buildup


3 Expression Programs and 10 levels of suction lets you mimic your baby’s nursing patterns

Easy to Use

Simple controls and an intuitive interface let you truly customize your pumping experience


Ultra soft silicone cushions fit different nipple sizes and are so comfortable to the breast


Specially designed twin head motor provides powerful suction in half the time and effort


This small powerhouse pump, weighing just a 1lb, is easy to take everywhere


The 3 Expression Programs are uniquely designed to match a baby’s natural nursing rhythms


Rhythm Features

BPA free.

Included Accessories


Anti-Backflow Diaphragm

The Rhythm is designed with a closed-system diaphragm which prevents any milk backflow. While milk flows freely into the collection bottle, the diaphragm acts as a protective barrier, preventing any milk from leaking into the tubing or electric motor.

Product Specs

Single or Double Pump
Hospital-Grade Pump

Vacuum Strength
Single: 120 – 300 mmHg
Double: 120 – 250 mmHg

Speed Patterns: 3
Swift Suction Settings: 8
Natural Suction Settings: 10

Reflex Expression
First 15 cycles

Swift Expression
Suction Levels: 120 – 185 mmHg
Cycles per Minute: 111

Natural Expression
Suction Levels: 110 – 250 mmHg
Cycles per Minute: 50

Power Supply

  • 12V AC/DC Adapter
  • Rechargeable Li-Ion Battery (built-in)

Pump: 18.3 oz (1.1 lb)
Accessories: 5.7 oz (0.4 lb)
Total: 24 oz (1.5 lb)


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Included accessories may vary by country and may change without notice. Contact Rumble Tuff Customer Service or your local distributor with any questions.