eufy Security Heated Breast Pump S1 – Hands-Free, App-Controlled with HeatFlow & Quiet 46dB

Overview

The eufy Security Heated Breast Pump S1 is a wearable, in‑bra solution designed for comfort, discretion, and efficiency. It uses HeatFlow technology to deliver spa‑like warmth during pumping and aims to keep sessions smooth by balancing heat with gentle suction. According to user feedback, HeatFlow can help prevent clogs and may contribute to about a 30% boost in pumping output, all while staying quiet and compact for daily use.

Smart Pumping and Personalization

Craft your rhythm and intensity to fit your moment.—the S1 offers four presets, expert-recommended rhythms, or a fully custom pace. A free trial lets you explore settings to find what feels most comfortable and efficient for you.

• Four presets, expert rhythms, or a custom rhythm for tailored pumping
• Free trial included to test different settings

Power, Safety, and Comfort

Experience hospital‑grade suction with adjustable intensity and cycle speed, up to 300 mmHg, designed to maximize expression while staying within safe limits for everyday use.

• Up to 300 mmHg hospital‑grade suction with adjustable settings
• 105° ergonomic design for comfortable wear
• Flanges sized 17–24 mm to fit a range of nipples
• Soft silicone skin-contact parts and BPA‑free materials for peace of mind

Quiet, Compact, and Leakproof

At 46 dB, the pump operates quietly for discreet use. Its slim, lightweight build is designed for easy in‑bra wear, and a secure double seal with reinforced lower half helps keep pumping leakproof during daily activities. If you ever experience suction or heating issues, quick tips are available in the product Q&A.

Everyday Use and Care

Built for real‑world routine, the S1 supports hands‑free pumping with skin‑friendly, easy‑to-clean components. The compact design travels well, making it suitable for busy mornings, travel, or quiet evenings at home.