- This Lansinoh double breast pump sits right in your bra so you can pump while you're doing other things- It runs quietly, so you'll be able to use it no matter where you are - It has four modes that mimic a baby's feeding cycle, including one that runs automatically from start to finish - Nine suction levels give you options to help get the milk flow you need, when you need it - The battery lasts around 1.5 hours and charges up quickly with a USB Type-C cable