Electric Airbag Low Frequency Pulse Waist Massager Vibration Massage Support Lumbar Spine Relieve Waist Fatigue MassagerOverview: 1. Intelligent pneumatic traction function, overcharge protection, through electronic control of airbag expansion, the long distance is 10cm, to achieve rhythmic extension of the waist up and down, and gradually shape normal and healthy psoas muscle bending; 2. Dynamic traction, lumbar stretching and reciprocating motion can stretch and decompress. Through intelligent dynamic traction and stretching, the lumbar spine will be pushed together