Light and discreet: Our new Medela Harmony manual pump can easily fit into your handbag so you can take it almost anywhere and pump. Flex Technology: Our unique flex breast shields mould perfectly to your shape for optimum comfort whilst pumping and gives you more milk per session. 2 phase expression: Our manual breast pump uses 2 Phase expression technology to simulate natural baby sucking behaviour at the mother's breast one of the only manual breast pumps to offer this. Ease of use: easy to use and clean leaving you with more time to spend with baby.