Intelligent dynamic traction, two models, M1: airbag + vibration. M2: airbag work only
The ergonomic curve design: The curved surface fits tightly to the waist scientific traction. It can help the lumbar spine to restore normal physiological curvature 26°.
The height of air pressure rise and fall is 8-10cm.
Auxiliary Infrared Heating: with high 44 degree-middle 42 degree-low 38 degree levels choose.
Vibration with high/low intensities choose.
Laser health with red color, blue color, purple color.