1. The light-wave can make the light energy active to reach with 30 seconds And product the hot energy soon. 2. The massage tempeture can achieve about 45° C.g; C.g; C. 3. Four massage heads work together, the massage part is bigger than others. 4. Alleviate the fatigue and relax yourself. Futures: 1. Alleviate pains caused by fatigue and or rheumatism. 2. Alleviate the spasm in the shoulder caused by the stiff neck when sleep. 3. Alleviate the pains caused by the unsmooth blood circulation of the elders.