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Wearable Breast Pump S1 Pro
- HeatFlow Tech: ✓
- Heating levels:35°C-41℃ (95℉-105℉)
- APP Control: ✓
- OptiRhythm Suction: ✓
- Storage: ✓
- Accessories:Charging Case Extra Duckbill Valves ×2 Nipple Measurement Card Dust Cover ×2 17, 19, and 21 mm Sizing Insert ×6 Cleaning Brush Magnetic Charging Cable USB-C Charging Cable

Wearable Breast Pump S1
- HeatFlow Tech:✓
- Heating levels:35°C-41℃ (95℉-105℉)
- APP Control: ✓
- OptiRhythm Suction: ✓
- Storage: ✓
- Accessories:Storage Bag Extra Duckbill Valves ×2 Nipple Measurement Card Dust Cover ×2 17, 19, and 21 mm Sizing Insert ×6 Cleaning Brush Magnetic Charging Cable

Wearable Breast Pump E20
- HeatFlow Tech:✓
- Heating Levels:35°C, 38°C, 42°C (95℉, 100℉, 107℉)
- APP Control: ✓
- OptiRhythm Suction: ✓
- Storage:×
- Accessories:Extra Duckbill Valves ×2 Nipple Measurement Card USB-C Charging Cable ×2