eufy Wearable Breast Pump S1 Pro vs eufy Wearable Heated Breast Pump S2 Pro

Flange sizes included or sold: 17, 19, 21, 24, 27 mm for the Wearable Breast Pump S1 Pro; 15, 17, 19, 21, 24, 27 mm for the Wearable Heated Breast Pump S2 Pro.

Only the differences are shown.

eufy Wearable Breast Pump S1 Proeufy Wearable Heated Breast Pump S2 Pro
TypeWearable breast pumpWearable breast pump
List price$349.99$449.99
Powerrechargeablerechargeable
Max suction300 mmHg, per the maker300 mmHg, per the maker
Modes4 presets, expert rhythms, custom DIY rhythms4 presets, DIY massage mode, DIY 2.0 rhythm
Suction levels710
BatteryCharging case provides up to five days of power6.5 hr
Flange sizes17 mm, 19 mm, 21 mm, 24 mm, 27 mm15 mm, 17 mm, 19 mm, 21 mm, 24 mm, 27 mm
Capacity5 oz5 oz
AppYesYes
Noise46 dB, per the maker46 dB, per the maker
Through insuranceAvailable, per the maker or supplierNot listed
HSA/FSAEligible, per the maker or supplierEligible, per the maker or supplier
Maker's use notesBoil or steam washable parts for 5 minutes before first use. Heating has a 5-15 minute timer, 7 heat levels (95-105 F). Returns only for new unopened items.Maker notes battery and performance figures vary by use; case claim up to 7 days at 20-minute sessions 3 times a day without heat or massage.

eufy Wearable Breast Pump S1 Pro

Wearable pump with a charging case, 7 intensity levels, 3 speeds, 7 heat levels and app control.

  • App control
  • Heating option

eufy Wearable Heated Breast Pump S2 Pro

Heated wearable pump with a wireless-charging case, 10 suction levels, 3 massage intensities, 7 heat levels and app control.

  • App with schedule and reports
  • 7 oz container sold separately
  • Highest price of the eufy models