Description:1.C type massage cushion allows the user to adjust the support position according to his own habits. From the seat to the depth of the human contact, the back angle of the chair to the height of the lumbar support can be adjusted according to his height, weight & back curve. Depth 0-100 mm) & lock the adjusted position for excellent comfort 2. According to the intelligent system, the airbag is inflated, exhausted & ingeniously combined to form a wa ve shape. The change of air pressure in the airbag acts on the human body to achieve rolling, massage & massage similar to the human h&. & supporting the occupants waist curve to slow down the drivers waist fatigue driving safety, making long-term driving a pleasure.3. Three-way mechanical in novation technology; upward stretching, linear stretching, curve stretching, horizontal reciprocating high-travel stretching, rolling, massage, stretching & relaxing 5 lumbar vertebrae 4. Intelligent control, a lumbar support with support, the real waist, the left & right sides of the waist, the middle of the back, 260 degrees fit, tight & seamless.5. Built-in 2 sets of high-power motor wa ve vibration massage (simultaneous work but different vibration modes), A wa ve vibration, B random vibration, C mixed vibration.6. Warm & hot on the back; energy saving, environmental protection, fast heating, uniform heat & stable for 2 minutes to heat to the required temperature. The face is hot, & the fever is even & s