The wristband uses a Far Infrared element that simultaneously emits Negative Ions. All you have to do is wear the wristband to gain the healing benefits of the both the Far Infrared and the Negative Ions. Far Infrared and Negative Ions possess properties that accelerate the body's metabolism. It does this by warming up the body and encourages heart rate and activity even when you're not exercising. It also boosts blood flow, circulation, and the body's enzyme and hormone production which are essential in fat burn and weight loss. Another benefit of Far Infrared and Negative Ions is that they improve vessel dilation, circulation, vessel endothelial function, and angiogenesis and reduces atherosclerosis. In simple terms, it not only clears and purifies the vessels in our bodies, but even improves how each of them work for better blood circulation. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.