1. Backrest Mechanism :    Quad-Roller - 4 rollers (2 rollers on each arm) travel up and down the back .        
2. Backrest :   real mechanical massage hands ,includes the lastest technology Synchronous : Swing & Flapping, Shiatsu and Kneading. Different from the old style that's with only Shiatsu massage.         
3. Infrared Ray therapy on the backrest.        
4. Width adjustment is available.        
5. Spot Shiatsu :Holds the massage action in the spot you need it.        
6. Preset Programs：Full back / Upper back /Lower back  .        
7. STRENGTH ADJUSTMENT ：HIGH/ MID/LOW        
8. Seat Cushion :three vibration motors, three working programs, HIGH/ MID/LOW strength adjustment        
9. Double use: Low Voltage AC Adapter and cigarat lighter both for home and auto car (DC 12V / 4A)        
Different color match order are welcome!