LCD remote controller (easy to use).
2 handheld projectors (5jade balls and 13 jade balls)
The back part: far-infrared carbon heater board+S track/parallel track+6(7) groups of jade rollers
The leg part:  carbon heater board+4 groups of jade roller
4 kinds of massage programs. 3 kinds of  automatic modes and 1 kind of manual mode.
Automatic elevation system to adjust the back part.