1, Automatic suck and release: It mimics natural breastfed movement, sucks and releases alternately automatically.

2, Optional suck rhythm: There are "gentle", "normal" and "express" modes.

3, There are three separate indicator lights for every mode. It is easy to use.

4, Optional suck force levels: Moms can choose the proper suck force, from 150 mm Hg to 400 mm Hg, according to their most comfortable feeling, by just rotating this adjust button.

5, Dual air channels: Vacuum are divided into two parts, one applied on nipple, mimic baby's natural suck, Another one applied on breast, mimic hands press. Milk flow is more thorough. Meanwhile, there is no pain on nipple.

6, Considerate protection to breast: There is a special silicone gel part, which embraces nipple, just like baby's mouth. It protects nipple better.

7, Adapter for standard and wide neck bottle, help Moms to use it with different bottles.

8, Eco-friendly materials: Silicon gel and proved PP, 100% BPA free. Product is more transparent, more durable.