The sweat quantity when staying in the infrared rays for 20 to 30 minutes is equal to that of running for 10 meters.
The sweat quantity when staying in the infrared rays for 20 to 30 minutes is equal to that of running for 10 meters.
“外静而内动”，享受20-30分钟上的光波相当于长跑10千米的出汗量，弥补运动不足。