eufy Wearable Breast Pump S1：

• The Innovative Heated Wearable Breast Pump: Groundbreaking HeatFlow™ technology prevents clogs and boosts your output by 30%¹. Enjoy high-efficiency pumping with spa-like warmth. Note: 1. Based on actual usage feedback from over 300 eufy pump users.
• Smart Pumping, Tailored for You: Select from four presets, use expert-recommended rhythms, or create your own rhythm to enjoy maximum efficiency and comfort (available with free trial).
• 30% More Output with Hospital-Grade Suction: Up to 300 mmHg of safe, hospital-grade suction and adjustable intensity and cycle speed help maximize your milk flow.
• Optimal Comfort for Mom: Fitting all nipples with 17 to 24 mm flanges, this pump features a 105° ergonomic design and soft silicone for spa-like comfort. All skin-contact parts are made from BPA-free, food-grade materials, ensuring extra peace of mind.
• Ultra-Quiet and Slim for Privacy: Compact, lightweight, and whisper-quiet (under 46 dB), this pump is ideal for in-bra use. It's also leakproof with a secure double seal and a reinforced lower half. Note: For suction or heating issues, check the Q&A for quick solutions. For further assistance, contact customer service.
  

eufy Diaphragm (2-Pack) for Breast Pump E10/E20/S1/S1 Pro: 

• Food-Grade Silicone: Made from food-grade silicone, the diaphragm is safe for both mother and baby and durable for repeated use and sterilization.
• Flexible and Durable: The silicone material offers the flexibility needed to maintain a steady suction while being robust enough to withstand wear and tear over time.
  Easy to Clean: The smooth surface allows for effortless cleaning and sterilization.
• Guaranteed Reliability: eufy breast pump accessories are covered by a 90-day limited manufacturer's warranty.
• Lifespan: Typically lasts 1-3 months. Replace if suction and performance decrease with use and sterilization, or based on your usage.