Eufy S1 Wearable
208 Reviews On Official Site
Wearable
4–6 sessions
300 mmHg Max
The eufy S1 is a slim, in-bra wearable pump that combines soothing HeatFlow™ warmth with 300 mmHg hospital-grade suction for up to 30% more milk output. Whisper-quiet at just 46 dB and fully app-controlled with OptiRhythm™, it lets you personalize rhythms and suction levels for truly hands-free, comfortable pumping anywhere.
- HeatFlow™ Technology
- +30% Milk Output
- 300 mmHg Suction
- OptiRhythm™ Control
- Wearable Hands‑Free
- Ultra‑Quiet 46 dB
- Leakproof Double Seal
- BPA‑Free Materials
Pump Coverage:
FREE
Supplies: Follow-on supplies cover valves only.
Ships In 2 Business Days
1yr Warranty
Features
- HeatFlow™ Technology: Prevents clogs and boosts output by up to 30% with gentle, spa-like warmth (95–105°F).
- 300 mmHg Suction: Hospital-grade power across 7 intensity levels & 3 cycle speeds.
- OptiRhythm™ Smart Pumping: Customize rhythm, suction & heating directly in the eufy Baby app.
- Ultra-Quiet Operation: Whisper-quiet at just 46 dB for discreet pumping anywhere.
- Leakproof Double Seal: Secure, reinforced design helps prevent spills inside your bra.
- BPA-Free Materials: All skin-contact parts are food-grade and safe for mom & baby.
- 150 ml Capacity: Each container holds up to 5 oz with a secure storage lid.
- Ergonomic Design: 105° angled flange and slim profile for comfortable in-bra wear.
- Easy to Clean: Minimal parts, simple assembly, and dishwasher-safe components.
What's In The Box
- (2) Pump Motors
- (2) Breast Shield Bodies
- (2) Diaphragms
- (2) 150 ml Collection Containers
- (2) Collection Container Lids
- (4) Seal Rings
- (4) Duckbill Valves
- (2) Type‑C Charging Cables
- (2) Bra Adjusters
- (1) Collection Container Brush
- (1) English + Spanish Manual
- (1) Nipple Ruler + Guide
- (2) 25 mm Flanges
- (2) 21 mm Flanges Inserts
- (2) 17 mm Flanges Inserts
- 90‑Day Parts Warranty
How It Works
- Assemble & Sterilize: Connect the flange, diaphragm, and collection container to the pump hub. Before first use, boil or steam all washable parts for 5 minutes.
- Charge: Connect each pump to the magnetic charging cable until fully charged.
- Fit & Secure: Insert pumps into a supportive nursing bra, ensuring the flange sits flush for a snug, leak-proof seal.
- Power & Pair: Switch on the pumps and connect via the eufy Baby app. Adjust HeatFlow™ warmth, suction level (1–7), and cycle speed (1–3).
- Pump Hands-Free: Start your session and continue your day. Monitor output and fine-tune settings in the app anytime.
- Clean & Store: After use, disassemble and wash all washable parts. Dry completely before reassembling or storing.
The Eufy Wearable Breast Pump S1 delivers hospital-grade performance in a slim, in-bra design. Its innovative HeatFlow™ technology gently warms milk to 95–105°F, helping prevent clogs and boosting output by up to 30%. With OptiRhythm™ smart pumping, you can personalize suction, cycle speed, and heating through the eufy Baby app. The S1 offers up to 300 mmHg of whisper-quiet suction (46 dB) across multiple intensity levels and modes—giving you faster let-down, maximized flow, and a truly hands-free pumping experience.
Built for comfort and convenience, the 105° ergonomic profile and soft silicone flanges (17–24 mm) fit 99% of moms, while the leakproof double-seal design ensures every drop is captured. Two 150 ml BPA-free containers with secure lids store milk safely, and the rechargeable battery delivers 4–6 sessions per charge. With minimal parts for quick assembly and cleaning, plus a hassle-free warranty, the eufy S1 makes discreet, on-the-go pumping effortless and reliable.
The Only Wearable Breast Pump With Heating
Our pump’s integrated HeatFlow™ system uses a precision temperature sensor to maintain consistent warmth (95°F–105°F), checking and adjusting every few seconds for optimal comfort. This gentle heat helps relax milk ducts, reduce blockages, and stimulate let-down for up to 30% more output.
Choose from 7 distinct heat levels to match your personal preference, all delivered through soft, skin-friendly silicone. It’s like a spa-quality massage and pumping session in one—no extra accessories required.
Highly Efficient Output
Achieve maximum milk flow with up to 300 mmHg of hospital-grade suction, designed for safe, consistent pumping sessions. The S1’s powerful yet gentle performance helps you express more in less time.
Choose from 7 suction intensities and 3 cycle speeds to match your body’s natural rhythm—so every session is comfortable, discreet, and effective.
Eufy S1 FAQ's
Why is the eufy Wearable Pump S1 better than other pumps?
The eufy Wearable Pump S1 features industry-first HeatFlow™ technology for improved milk flow and comfort, hospital-grade suction, and OptiRhythm™ smart customization. It delivers an efficient, comfortable pumping experience paired with a portable charging case, an app for remote control & data tracking, and a full accessory kit.
Why heating, and is it safe to use?
Heating increases milk output and comfort. Our embedded HeatFlow™ system uses a precision sensor that checks every 3 seconds to maintain optimal heat (95–105°F). You get 7 heat levels, a 5–15 minute auto-shutoff timer, and all parts are BPA-free silicone. The heating flange has passed 56 hours of continuous boil and 1,000 flex tests.
What are the warranty and return policies?
• 12-month warranty on the pump hub
• 3-month warranty on all washable components
Returns accepted only if unused, unopened, and in original packaging.
What accessories are included, and are replacement parts available?
• 2 pumps with 24 mm flanges
• 17/19/21 mm silicone inserts
• 2 magnetic charging cables
• 1 wireless charging case
• 1 storage bag, 2 dust covers, cleaning brush, and user guide
Replacement parts for all washable pieces are sold separately.
Do wearable breast pumps decrease milk supply?
No—when used correctly, the S1 Pro can maintain or even boost supply. Its ultra-quiet motor, adjustable suction, and heating feature mimic natural nursing patterns and help stimulate let-down.
How to wear a wearable breast pump?
• Clean & Assemble: Sterilize and attach all parts.
• Charge: Fully charge pumps in the wireless case.
• Prep Bra: Use a supportive nursing bra with pump pockets.
• Insert Flange: Center over nipple for a tight seal.
• Secure Pump: Slide pumps into the bra pockets.
• Adjust Settings: Power on, set suction & heat in the app.
• Pump Hands-Free: Start your session and go about your day.