Let's take a closer look at the Momcozy wearable breast pump!
The pump goes into your bra (with the motor/battery sticking up on top. Milk flows into the collection cup as you pump.
Here are the pieces
Hub
Collection cup
Silicone breast shield
Backflow protector
Connector
Duckbill
The top button turns the pump on, while the heart and drop buttons change the mode. The + and - signs adjust the vacuum strength.
There are five different vacuum strength levels.
Here's how it looks - I'm wearing the pump on the left side.