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):airbag in the seating area
5):airbag for the leg massage
6):airbag for foot rubbing
7):arm massage
8):heart-throb detection
9):blood pressure detection
10):safety voltage — 24V
11):power — 420W