The handle can be adjusted to the angle suitable for your facile use and operate-able with one hand. Designed in special structure, the whole circulation motion in repeated suction is in accordance with the ergonomics. Breast shield with petal-shape soft liner, which eases the pain and massage the breast for promoting the milk flow comfortably easy to use and convenient for carry. The suction power will be increased by turning the handle to the upper left or right side. The handle molding is especially easy to hold and operate.