MomMed Wearable Breast Pump S21 – Hands-Free, Leak-Proof, 12 Vacuum Levels, Quiet & Portable

Experience flexible, hands-free pumping with the MomMed S21

The MomMed S21 Wearable Pump is a double electric breast pump designed to blend with your daily routine. It offers three pumping modes—Stimulation, Expression, and Auto—and a full range of 12 vacuum levels, allowing you to tailor suction to your comfort and pace whether you’re at home, at work, or on the go. The result is a pumping experience that adapts to how you feel in the moment, without interrupting your day.

• Hands-free wear in a compact, bra-friendly form for discreet pumping
• 12 adjustable suction levels to match tenderness and needs
• Three modes that cover let-down, steady expression, and automatic cycling
• Quiet operation designed for low distraction in public or shared spaces

Leak-proof design for calmer pumping sessions

A key upgrade is the backflow prevention membrane, which physically separates milk from the vacuum system. This enhances safety and helps minimize leakage worries. For best flow, pair the pump with the right flange size and proper measurement practices.

Ultra-light, portable, and truly wearable

Weighing under a pound, the S21 sits comfortably inside your bra and stays fully wireless. Its portability supports pumping during feeding, while you’re working, or while you’re traveling—offering freedom from cords and outlets while you move.

Quiet performance with intuitive controls

With a noise level under 45 dB and an LED display with physical buttons, you can adjust settings easily and pump discreetly wherever you are. The combination of simplicity and quiet hearably reduces pumping interruptions in daily life.

What’s included and how it helps

• Two 24 mm silicone breast shields for a comfortable seal
• Flange inserts in multiple sizes (17 mm, 19 mm, 21 mm) to customize fit
• Six duckbill valves and four silicone diaphragms for reliable suction
• Two storage bags and cleaning brushes to support hygiene and organization
• Two Type-C charging cables and an instruction manual with a breastfeeding guide

Real-life scenarios

Picture a late-night pumping routine, or a busy day where you need to multitask. The S21’s lightweight, wearable design and customizable suction allow you to respond to your baby’s rhythm while managing errands, meetings, or school pickups.

Note: For the best experience, select the flange size that fits well and explore the 12 suction levels and 3 modes to find your most comfortable setting.