electric lumbar traction device waist back massager vibration massage lumbar spine support waist waist fatigue t191116

functional advantages.1. intelligent traction function, using dynamic reciprocating traction function, pushing the lumbar vertebra upwards, traction and stretching the lumbar vertebrae and muscles, relieving lumbar muscle fatigue and reducing lumbar and back pain;.2.two automatic traction modes, different traction height design, users choose the mode that suits them..3.manual traction mode, the user can manually adjust the traction height according to his or her comfort level, choose to turno...