# eufy Breast Pump S1 Wearable Electric Breast Pump

eufy Security: The eufy Breast Pump S1 is a wearable electric breast pump with heating technology, battery power and app-based customisation of pumping rhythm, suction and speed. Its in-bra format is intended for hands-free use, while the listed 150 Millilitres capacity and included sizing inserts help clarify practical fit and collection needs.

- [Original product page](https://bargainpostbox.co.uk/product/eufy-breast-pump-s1-wearable-electric)
- [View offer](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: eufy Security
- Model: Wearable Breast Pump S1
- Category: Baby > Baby Feeding & Food > Baby Feeding Equipment
- Price: 129.00 GBP
- Previous price: 189.99 GBP
- Discount: 32%
- Price checked: 2026-11-12T07:02:29.631Z
- Rating: 4 / 5
- Reviews: 3423

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Wearable design for hands-free, in-bra pumping, according to the listing.
- Heating technology is a central feature of the S1.
- The eufy Baby app is described as allowing customisation of pumping rhythm, suction and speed.
- Manufacturer claims suction up to 300 mmHg and a noise level of 46 Decibels.

## Pros

- App-based adjustment of rhythm, suction and speed offers more control over the pumping routine.
- Heating is built into the stated feature set rather than dependent on an optional accessory.
- The listing includes sizing inserts in 17/19/21 mm and a nipple measurement card.

## Cons

- The listed pump capacity is 150 Millilitres, which may require emptying during sessions for users who collect more than that.

## Specifications

### Identity
- Brand: eufy Security
- Model: Wearable Breast Pump S1
### Power and operation
- Power configuration: Battery Powered
- Operation mode: Electric
- Noise level: 46 Decibels
### Capacity and dimensions
- Capacity: 150 Millilitres
- Dimensions: 12.6L x 7.1W x 11.8H centimetres
### Materials and care
- Material listed: Silicone
- Material type free: BPA Free
- Dishwasher safe: No

## Before you buy

- The listing claims up to 300 mmHg suction and 30% more output, but these are manufacturer claims rather than independently established performance, the output claim is attributed to user feedback in the listing. The app feature requires use of the eufy Baby app. Before first use, the listing instructs sterilising washable components by boiling with continuous stirring or steaming for 5 minutes, it advises against microwave sterilisation and says the pump is not dishwasher safe.

## In the box

- Breast Pump S1 (Included)
- Dust covers (Included)
- Cleaning brush (Included)
- Nipple measurement card (Included)
- Sizing inserts \(17/19/21 mm\) (Included)
- Storage bag (Included)
- Duckbill valve (Included)

## A good fit for

- People seeking a wearable, hands-free electric pump with built-in heating.
- Buyers who want to adjust pumping rhythm, suction and speed through the eufy Baby app.
- Users for whom the listed 150 Millilitres capacity and 17/19/21 mm sizing inserts suit their needs.

## Less suited to

- Buyers who need a stated capacity above 150 Millilitres per pump.
- Anyone looking for a dishwasher-safe or microwave-sterilisable pump.

## Customer feedback

The available aggregate is 4.0 out of 5 stars from 3,423 ratings. That indicates a generally favourable overall rating, but the distribution also includes 14 percent one-star ratings, ratings alone do not explain users’ experiences or establish how the pump performs for a particular fit, routine or milk output.

## Frequently asked questions

### Can the S1 be adjusted through an app?
The listing says the eufy Baby app can customise pumping rhythm, suction and speed.
### What capacity is listed for the pump?
The listed capacity is 150 Millilitres.
### Is the pump dishwasher safe?
No. The listing says it is not dishwasher safe and describes hand-cleaning washable parts, it also advises against microwave sterilisation.
### What sizing accessories are listed?
The contents list includes a nipple measurement card and sizing inserts in 17/19/21 mm.

## Alternative options

- [Momcozy M5 Smart Wearable Breast Pump, Double Pack, Gray \| Hands-Free Electric Pump with App Control, Mimics Baby's Natural Latch, Double-Sealed Flanges, Ultra-Lightweight at 232g](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [eufy Breast Pump S2 Pro, Wearable Electric Breast Pump with Heated Massage \| Double-Sealed Flange, Nipple Light, App-Controll, Full Milk & Leak Alerts, Wireless Charging Case, Hospital-Grade Suction](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [eufy Breast Pump S1 Pro, Wearable Breast Pump with Heating Technology \| Electric and Hands-Free, Portable Charging Case, App-Controlled Smart Rhythm, Hospital-Grade Suction, Ultra-Quiet](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [Nuliie Electric Breast Pump Hands-Free \(2 Packs, Pure White\) \| Wearable Portable Breast Pumps 4 Modes 9 Levels, 24MM Comfortable Flange, More Private, Replaced Accessories Included](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [Paruu Hands Free Breast Pump P16 Plus, Wearable Breast Pump Electric Portable with 4 Modes & 12 Levels, Max 309 mmHg Strong Suction 19/21/24mm Flange Inserts, 2 Pack \(Nude\)](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [Momcozy M6 Wearable Breast Pump, Hands-Free Double Electric Pump, Red \| Mobile Style, Ideal Rhythm, DoubleFit Flange, Only 4 Easy-Clean Parts](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [Medela Motion InBra Wearable Electric Breast Pump + Storage Bag – Highly efficient, Designed for Dependable Performance and Comfort; Hassle-Free handling & discreetness](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [Elvie Stride 1 Double Wearable Breast Pump, Hands-Free, App-Controlled \| Hospital-Grade Suction, Ultra-Quiet Motor, 10 Intensity Settings, 150ml Cup Capacity, Electric Breastfeeding Pump](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [Medela Freestyle Mini Hands-Free Single Electric Breast Pump with Hands-Free Cups & Rechargable Battery.](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [Haokoo Wearable Electric Breast Pump, Comfort Fit Hands-Free, Single Pump \| For Breastfeeding Moms at Home, Work & Travel, 40dB Quiet, 3 Modes 12 Levels, 2.5H Battery, 201g Lightweight, BPA-Free](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [eufy Breast Pump E20, Heated Wearable Electric Breast Pump \| Heating Technology, 3 Temperature Levels, Hands-Free, App-Controlled Rhythm, Hospital-Grade Suction, Discreet and Ultra-Quiet](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [eufy Wearable Breast Pump S1 Pro Flex Edition \| Double-Sealed Flange, Nipple Light, App-Controll, Full Milk & Leak Alerts, Wireless Charging Case, Hospital-Grade Suction](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)

## Add-ons

- [Lansinoh Breast Milk Storage Bags - Pre-Sterilised, Leakproof - 50 Pack \| Fridge & Freezer Breastmilk Pouches - Pump into bag with Lansinoh Breast Pumps - Breastfeeding Essentials](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)
- [WaterWipes Sensitive+ Newborn & Baby Wipes, 99.9% Water, Unscented, 12 Pack \| 3-in-1, cleans, cares & protects, hypoallergenic formula, 0% fragrance & alcohol, 720 count for everyday use](https://bargainpostbox.co.uk/visit/eufy-breast-pump-s1-wearable-electric)

## Images

![eufy Breast Pump S1 Wearable Electric Breast Pump — 1](https://bargainpostbox.co.uk/i/ZuQAYQFPiBEHHPA0k8D2avFijNPxKmUO4zMl_GBD6lv8tKHEW4Q0l7XcDAD87PE4tjEbD7QaoZHa1PV8irbKVY0yVAJSMPXHRpJV8EcBvL3L_HI_GAFDkhEX.jpg)

![eufy Breast Pump S1 Wearable Electric Breast Pump — 2](https://bargainpostbox.co.uk/i/4MqbTyKaZjqgQYcoflIyINAQkybl0yXeAPV8K3cd5KpDyJ-6QijXqjiVLglCiffK2AUs3iNuJ7crQYC-ffWQ6Qq78aAeWDgRJuihlYgKeak-gVLVyltE-ZuW.jpg)

![eufy Breast Pump S1 Wearable Electric Breast Pump — 3](https://bargainpostbox.co.uk/i/_9IhLrRhCGSXzFCgyrGUgh_qlxZnHwR_E0UqmX9pagqZLQcu9T0Q6anERq5sKVwolw67Omf0rhLU9M550fgSNW5Z6s46rVa0xKxscH62G0UjxTI0uFm2yh_N.jpg)

![eufy Breast Pump S1 Wearable Electric Breast Pump — 4](https://bargainpostbox.co.uk/i/gVW4IovRC4vfLW7wgiEKBqDIya6df_eXK5FP_fCTC2lsdS57L4sZOASesK72WEZpUtkJZHY2yfm7PgUDJkyzhX0OU86x4dK1BXfMrKGt4ax7Kwu42bI0WDx5.jpg)

![eufy Breast Pump S1 Wearable Electric Breast Pump — 5](https://bargainpostbox.co.uk/i/Xs21yVwzn_7kkAssFYNS3Xz7NvsgVKtoje1uV9HIeWKdNq31BOsX-w3QGAx-J33ym7EKGgkkK5vGBaNrFXUMJpoHYjTPoDL2hWpqEnbTo8YQNEoSUa8v536K.jpg)

![eufy Breast Pump S1 Wearable Electric Breast Pump — 6](https://bargainpostbox.co.uk/i/KRfhf2LlGBHTAkmcNgqyBbe9wpZqjU5BpUzRlOhaXc2_lbLwLpTatqw8nJNPewVSdjCVqeYkWIus8EFwPUT2N_kyifBEg-H66Apy1aCtUiDPrthWnoOIt-nW.jpg)

![eufy Breast Pump S1 Wearable Electric Breast Pump — 7](https://bargainpostbox.co.uk/i/NWJLn3kQ3QOAaa0cMRetSVPdJqZKavEx0fPtFMGIOI-XpSJOzmG7PyJ_PvmBHnKP03kBRhoj_oqQF7TGoMDv_CEGMO60os_7YJPdp6xSJnXvMrFHfwzMJ1AB.jpg)