Behaving the same way as your baby would when feeding, the vital baby® NURTURE™ flexcone™ electric breast pump offers a 2-phase expression for the most effective, fast and comfortable way of promoting breastmilk production.Phase 1: Fast, small pulses at first to massage and stimulate the breast to help gently induce milk flow.Phase 2: Slower and longer pulses to encourage ‘let down’ – the clever natural hormone reaction where your milk will start to flow smoothly.The flexcone™ works by gently squeezing the breast to imitate the natural massaging of your breast which occurs when baby is breastfeeding.