... trace element, improve the nerve of motor, and strong muscle 4: Accelerating the generation of vitamin D3 and the absorption ... hormone to repair Biological Clock7: Accelerate secreting of serotonin, relax muscle, easy tire8: Its heat can elevate temperature, burn excess ... effects in slimming 9: Having resistance to ultravioletFeatures of tanning machine:1. Shell is made of ironware; adopt acrylic acid ...