Each set includes two hands-free wearable breast pumps for convenient, on-the-go use. It comes with three sizes of inserts (17mm, 19mm, and 21mm, two of each) to ensure a comfortable fit. Additional items include one valve, a user manual, a size guide card, two bra extenders, and a storage bag for easy organization.

Assemble your W2 just needs 5 steps.
Click the video and you find out how it works! Let’s go!

Many people think that flange size depends on bra size, but it’s actually all about your nipple diameter.Pumping shouldn't hurt! The right size means more milk. Measure your nipple base—that’s the only standard.

step 1: measure the nipple size with size card, select appropriate Insert , install it on the breast pump.
step 2: wear the breast pump, make sure the breast pump is fully contact with the breast.
step 3: tight the bra ,use the bra extender if needed.

This breast pump offers a smart 2-phase system: Massage Mode mimics a baby’s initial sucking totrigger let-down, while Expression Mode uses smooth suction to extract milk efficiently. It also features built-in heating therapy to soothe breasts, improve milk flow, and relieve engorgement. Thecombination of warmth and dual-phase suction ensures a more comfortable, effective pumping experience.

Easy pour and storage
Pour out your freshly expressed breast milk from the small hole at the top and store in freezer orfridge .

The pump is made of 5 parts: 1 motor (not washable) and 4 washable parts — milk collector, flange, duckbill valve, and diaphragm. Cleaning is easy and straightforward. For hygiene, sanitize all washable parts before first use and once daily using boiled water, steam, or a sanitizing pot at ≤100℃ for 5–10 minutes.

A flashing red light indicates low battery. To charge, remove the pump motor and connect it to a 5V-1A adapter. Charging is complete when the red light turns into a steady green. Once fully charged, the pump can operate for 90–100 minutes or 4–5 sessions.