1. Full touch screen with LED display with power bank 

2. 4 phases expressions: 6 levels Massage/9 levels Suction/9 levels Fast suction/6 levelsFrequency conversion function

3. 2500mAh rechargeable Lithium Battery 

4. Memory function, super-quiet

5. BPA free material, petal massage cushion 

6. Closed system with anti-backflow

7. Indoor use/portable design for going out

8. Power supplied by lithium battery, AC adapter or USB cable