&lt;p&gt;The Double Breast pump with dual phase operation powerfully combines suction and nipple stimulation for quick lactation and uninterrupted milk flow&lt;/p&gt;&lt;p&gt;Fits any size and shape of the breasts with soft silicone cushion. Anti-Back Flow: Design also avoids the contamination caused by milk reflux.&lt;/p&gt;&lt;p&gt;One touch operation with Digital touch-based display. Its smart memory remembers last usage settings&lt;/p&gt;&lt;p&gt;Its convenient USB Charging port, which means that you can charge it with literally anything - AC adaptors, to power banks to laptops &amp;amp; even Car Chargers&lt;/p&gt;&lt;p&gt;2 pumping stages of stimulation &amp;amp; expression help to give a natural-like experience. Each mode has 9 intensity levels&lt;/p&gt;