Breast Pump S1 Pro： 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. Industry-Leading Wireless Charging Case for Pumping Anywhere: This charging case keeps your pump ready even on the go. With up to five days of power, it ensures hassle-free pumping sessions during business days or weekend getaways. Smart Pumping, Tailored for You: With cutting-edge OptiRhythm™ in the eufy Baby app, customize pumping rhythm, suction, and speed for a truly hands-free experience. Milk Bags(120 Pieces)： Color-Changing Technology for Instant Temperature Clarity: See your milk's temperature at a glance. Purple means too cold, white means too hot, and blue means just right for feeding. Strong Seal, No Leaks: Pre-sterilized, thickened milk bags with double-sealed seams and double zippers to protect milk. To seal, press with your fingertips until you hear a click. Large Capacity for Worry-Free Storage: Hold up to 7 oz of milk per bag, cutting down on bag usage and saving time to make life easier for busy moms.