The Eufy wearable breast pump S1 offers groundbreaking HeatFlow technology. It helps prevent clogs and may boost milk output by 30%. Select from four presets, use expert-recommended rhythms, or create a personalized pumping rhythm. Hospital-grade suction and adjustable intensity settings help maximize milk flow. It features a 105° ergonomic design and soft silicone for comfort. Compact, lightweight, and whisper-quiet, this pump is perfect for discreet, in-bra use.