3. The back projector: S track with 6 groups of jade rollers or Parallel track with 7 groups of jade rollers(one for the neck.
Far-infrared carbon fiber heated board.
4. The leg projector: Carbon fiber heated board+tourmanium stones
5.2 handheld projector (5jade balls and 15 jade balls. Which can be folded).
6.4 kinds of massage programs. 3 kinds of automatic modes and 1 kind of manual model available. People can adjust time, from10.20...60minutes.