Genki no Chikara POWER BAND Wear it for a healthy body at the hot spring! 100% safe because it's made with natural ore with far-infrared effects!! If you have symptoms such as autonomic nerve imbalance, cold sensitivity, poor circulation, joint pain, stiff shoulders, or lower back pain, please give it a try. Recommended for prevention and improvement. ※ Especially recommended for those with autonomic nerve imbalance. Disruption of the autonomic nervous system can throw off the body's balance, leading to various ailments throughout the body. Wearing it improves autonomic nerve imbalance!! Can be used on various parts of the body, such as the waist, neck, hands, feet, and calves. When it comes into contact with the human body, it begins active heat exchange from body heat, emitting far-infrared rays, warming up cold areas. Unlike heating devices or disposable body warmers, it won't get too hot or cool down, maintaining the body temperature at its natural level. ※ When the product arrives, please first perform a balance check. Before wearing it, stand on one leg with arms outstretched and have someone gently push your arms. Then, do the same after wearing it. Compare the sense of balance at this time. You will surely feel the effect. We have absolute confidence in our product. We offer a full refund if you are not satisfied with the product, as we want as many people as possible to try it. Please feel free to try it. ※ Limited to first-time purchasers within 10 days of product arrival. ※ Customers are responsible for return shipping costs. Please understand.