Momcozy M5 Double Breast Pump

The Momcozy M5 Double Breast Pump is a wearable, hands-free electric pump that sits inside your bra, letting you express from both sides at once without cords, tubing or holding anything in place. It's built for parents who want to keep moving — working, caring for baby, or simply getting on with the day — while pumping quietly and discreetly. Each side weighs only 8 oz, so the pump fits comfortably in your bra for cord-free expressing.

With 3 pumping modes (Stimulation, Expression and Mixed), 9 suction levels and up to 285 mmHg of suction, you can adjust each session to what feels comfortable for your body. A 30-minute auto stop and a skin-friendly silicone flange are designed to make daily pumping feel gentler, and the whole thing runs at under 48 dB for quieter sessions.

A fit designed around comfort

The M5 uses Momcozy's patented DoubleFit™ flange, made to sit more securely and comfortably against the breast to help reduce slips and tugs during a session. According to Momcozy's internal user feedback, this design improved pumping efficiency by 28.2%. To help you find your fit, the pump comes with 17 mm, 19 mm and 21 mm flange inserts plus a flange ruler, so you can measure and match rather than guess — bra size doesn't reliably predict flange size.

App control without reaching into your bra

The Momcozy app lets you adjust modes and suction levels, track your milk output, and view your pumping stats by day, week or month. It means you can fine-tune a session from your phone rather than reaching under your clothing to press buttons.

Simple to clean and quick to charge

Cleaning is often what makes or breaks a daily pumping routine, so the M5 is made with just 4 washable parts per side. These are made from BPA-free, food-grade silicone and PP, can be sterilised in 3 minutes and are heat safe up to 100°C (212°F). Each cup holds up to 160 ml, and the built-in rechargeable battery runs for around 180 minutes — roughly 6 pumping sessions — before it needs a 120-minute recharge via USB Type-C.

How it Works

• Baby mouth-like suction rhythm: The pump cycles through a suction pattern designed to feel gentler during daily expressing.
• Two working phases: Stimulation and Expression modes let the pump move from an initial rhythm to a stronger expressing pattern, with a Mixed mode that combines the two.
• In-bra collection: The motor and milk collector sit together inside each cup, so there are no external cords or tubing to manage while you move.

Best For

The Momcozy M5 Double Breast Pump is a great option for parents who:

• Want to pump both sides at once, hands-free and cord-free, while doing other things
• Value discretion and a quieter, lower-profile setup for work or travel
• Prefer adjustable suction and cycle modes to dial in comfort
• Want a smaller cleaning load with only a handful of parts per side

It may not be the best fit if you:

• Prefer to see your milk flow through a traditional flanged bottle setup
• Would rather a manual pump for occasional, plug-free expressing

Persistent pain, rubbing, blanching or tissue being drawn too far into the flange are reasons to stop and reassess your fit or seek support from a lactation professional. Pump output varies from session to session and is not, on its own, a measure of your milk supply.