Functions:
1):back rubbing
2):light thumps to the back
3):position detection — shoulder, shin, back and waist can be detected for accurate massage
4):waist slimming airbags
5):airbag in the seating area
6):airbag for the leg massage
7):airbag for foot rubbing
8):arm massage
9):shoulder massage
10):heart-throb detection
11):blood pressure detection
12):safety voltage — 24V