1. Humanized vertically moveable machanic hand in the back provides up-and-down kneading,tapping and rolling massage.
2. 4 levels of intensity and 5 levels of width. 3.overall, partial or fixed-position massage. 4.6 special massage airbags.
2. 4 levels of intensity and 5 levels of width. 3.overall, partial or fixed-position massage. 4.6 special massage airbags.

