1. Soft silicone or PP breast shield, Full touch screen with LED display

2. 4 phases expressions: 9 levels Massage/9 levels Suction/9 levels fast suction,9 levels frequency conversion 

3. Built-in 6000mAh rechargeable Lithium battery 

4. Two Motors, free to change L or R; L&R pattern with different suction; L&R can adjust different function

5. Comfortable:3 levels adjustable suction speed for each function, suitable for all different's mom

6. BPA free material; the closed system with anti-backflow

7. Super-quiet, memory function 

8. Power supplied by Type-C USB cable with A/C adapter or Lithium Battery