2nd Gen Motor, Strong Suction
The 2nd gen motor boasts a powerful suction of 295 mmHg, offering three modes and nine suction settings to efficiently assist you in expressing milk.
Pump the way you like
After 17,500+ hours of thoughtful research and development, we created the Momcozy Mobile Style™ hands-free breast pump with one goal in mind: to make pumping feel like it truly fits your life.
Every detail — from the way it fits your body to the materials we chose — is inspired by real moms, their stories, and their needs. The result? A pump that lets you move freely, comfortably, and confidently.
Whether you're out at brunch, running errands, in a meeting, or closing deals, Mobile Style™ gives you the freedom to pump without missing a beat. It’s not just hands-free — it’s life-friendly.
Care & Cleaning Note
Wash with regular dish soap and boil for 5 minutes if needed. Do not use microwave sterilization. For steam sterilizing, drying, or hot-air drying, keep the temperature within 100°C / 212°F when possible and do not exceed 110°C / 230°F. Excessive heat may deform the milk collector or flange and reduce suction.
⚠️ Safety Warning
Do NOT use this device if you have a cardiac pacemaker, implanted defibrillator, or any other metallic or electronic implant, as it may cause electromagnetic interference or serious injury.
Specifications
Modes: 3 (Stimulation / Expression / Mixed)
Suction Levels: 9 adjustable levels
Vacuum Strength: -285 to -300 mmHg
Noise Level: Less than 50 dB
Flange Size: 24 mm
Bottle Capacity: 6.09 oz (Recommended: ≤5.07 oz)
Pump Dimensions: 5.12" × 4.49" × 2.87"
Pump Weight: 10.12 oz
Maximum Usage Time: 180 minutes / 5–6 sessions
Auto Shut-Off: 30 minutes
Charging Time: Approx. 2.5 hours (5V / 1A)
Need a different flange size?
We’ve created a guide to help you find the best fit.
Check the flange size guide here
Find other flange sizes here
Note: Breast size can change before and after pumping. Measure just before pumping for accuracy.
All Momcozy.com standard shipping rates and policies apply to all items when shipped to the United States, United Kingdom, Canada, Australia, Saudi Arabia, France, Germany, and some EU Countries including free shipping on qualifying orders. For other countries, please get in touch with our customer service before placing the order.
The time frame of order delivery is divided into two parts:
●Processing time: 1-2 business days
●Shipping time: 3-8 days (excluding weekends and holidays).
Click here for more shipping details
30-Day No-Reason Return Policy
Momcozy offers a 30-day no-reason return policy for unused and unopened products with intact packaging. Returns must include all original accessories and proof of purchase. Customers are responsible for return shipping costs, and original shipping fees are non-refundable. Clearance items and non-Momcozy branded products are excluded from this policy.
Exchange Policy
Non-Quality Issues: Within 30 days of receipt, unused products may be exchanged for reasons such as size mismatch, with the return shipping cost to be borne by you.
Quality Issues: If a product is damaged due to quality issues within the warranty period, please contact our customer service team for assistance. They will provide you with a solution that best suits your needs.
If you have any problems or malfunctions during use, please contact us at support@momcozy.com, and please allow up to 24 business hours for a response to your question.
Click here for more return&exchange details
At Momcozy, we want you to feel confident in your purchase. That's why we offer a 1-year warranty (2 years in the EU) on most battery-operated products. The warranty covers failures caused by non-human factors, such as manufacturing defects or internal malfunctions under normal use. Simply keep your proof of purchase and contact us if you experience any issues within the warranty period. We'll work with you to find a solution, whether it's a repair, replacement, or refund.
Some exclusions apply, such as damage caused by misuse or unauthorized modification. For more details, please see our full warranty policy.

After extensive testing and feedback from over 1,100 moms, Momcozy has perfected the ideal pumping rhythm — a balanced blend of gentle suction and natural frequency. This smart rhythm not only feels comfortable but also helps boost your milk supply, making every pumping session more effective and pleasant.
*Tested in the Momcozy R&D lab. Battery life varies depending on usage and settings.
The 2nd gen motor boasts a powerful suction of 295 mmHg, offering three modes and nine suction settings to efficiently assist you in expressing milk.

Inspired by extensive ergonomic research and precise molding, the Mobile Style™ features a sleek, streamlined design that stays nearly invisible under your clothes. No more unwanted stares — just worry-free, discreet pumping whether you're at work, out with friends, or relaxing at home.

Keep your Mobile Style™ safe and ready to roll with our sleek storage bag. Stylish and practical, it protects your pump and makes carrying it effortless—perfect for busy moms on the move.

Care tip: Do not microwave sterilize. Keep steam sterilizing, drying, or hot-air drying within 100°C / 212°F when possible.

A full charge gives you up to 3 hours of pumping time—enough for 5 to 6 sessions daily. Stay out longer without worrying about discomfort or engorgement.

Meets the highest safety and quality standards—safe and gentle for both moms and babies.

Over 1,000 moms have tested and trusted our products for unbeatable comfort and performance.

Our patented DoubleFit™ design delivers a better, more comfortable breastfeeding and pumping experience.












Yes! Electric breast pumps are a great choice for breastfeeding moms looking for convenience and efficiency. They can help maintain or increase milk supply, especially for working mothers or those with low supply issues. Choosing the right electric breast pump means finding one that offers strong suction power, quiet operation, and easy-to-use features. A comfortable and effective electric breast pump can make your breastfeeding journey smoother and more successful.
For most moms, starting with 15–20 minutes per pumping session is recommended, gradually adjusting based on your milk supply and comfort. Every mom’s needs are different, so listen to your body and pump according to what feels best for you.
Factors like your milk production, your baby’s feeding schedule, and your comfort all play a role. Stop pumping if you feel any discomfort or when your breasts feel empty to avoid over-pumping, which can cause soreness or irritation. Using your electric breast pump correctly helps maintain a healthy milk supply and a comfortable breastfeeding experience.
A wearable pump does not decrease milk supply, as long as it provides strong and effective suction. Suction strength is key to fully emptying the breast, which helps maintain a healthy milk supply.
Wearable pumps like the Momcozy S12 Pro are designed with high suction power to ensure efficient milk removal, so you can pump hands-free without compromising your milk production.
Pain during pumping varies from mom to mom, but many breastfeeding mothers find electric breast pumps to be less painful because they offer multiple adjustable suction levels and modes, allowing you to customize comfort and reduce nipple pain. However, using too high suction, especially with sensitive nipples or elastic nipples, can still cause discomfort.
Some moms prefer manual breast pumps because they provide more control over suction and pumping speed, which can help minimize pain. Yet, manual pumps may cause hand and wrist fatigue when used for long sessions.
Regardless of whether you choose a manual or electric breast pump, selecting the right breast pump flange size and adjusting the suction level correctly are essential for reducing pain, preventing nipple soreness, and ensuring a comfortable pumping experience.
Choosing the right electric breast pump can make all the difference for busy moms. Here are key factors to consider:
Portability: If you pump on the go or at work, choose a lightweight, portable breast pump like the Momcozy M6 that fits your lifestyle.
Suction Power: Look for a pump with strong and adjustable suction to effectively express milk and maintain a healthy milk supply.
Comfort: The right fit matters — try different pumps and flanges to find one that feels comfortable and prevents nipple pain or discomfort.
Features: Consider useful features such as double pumping for efficiency, quiet operation for discretion, rechargeable batteries for convenience, and app control for personalized pumping sessions.
Picking the right electric breast pump tailored to your needs helps make breastfeeding easier, more comfortable, and more efficient.
Wash M6 accessories with regular dish soap. If sterilization is needed, boil them for 5 minutes, then air dry, wipe dry, or use low-temperature drying. Do not use microwave sterilization. For steam sterilizing, drying, or hot-air drying, keep the temperature within 100°C / 212°F when possible and do not exceed 110°C / 230°F. M6 accessories can also be cleaned in a Momcozy bottle washer, but please do not use Storage mode. Avoid alcohol-based cleaners, as they may affect the soft silicone on the flange.
Suction may feel weaker if the milk collector or flange is slightly deformed after excessive heat exposure, which can affect the airtight seal. Please check whether the accessories are fully dry, properly installed, and free from warping, gaps, or damage. To help maintain strong suction, avoid microwave sterilization and keep steam sterilizing, drying, or hot-air drying within the recommended temperature range.