Bracelet made in stainless steel and pure titanium metal , two kindThe steel mean stainless steel, the titanium mean pure titaniumBracelet width:6mm,length: main:21cm and 20 cm,19cm,18cm ,22cmFurnace vacuum platingLead and nickle free .Color keep long timeElements contained in the braceletBlack germanium, far infrared, anion, magnetAnti-radiation and anti-fatigue energy braceletEliminate human body static electricity, shield electromagnetic radiation, help blood circulation, reduce body soreness, and resist physical fatigue.Black GermaniumEffective for cervical spine soreness, can refresh the heat energy of subcutaneous tissue, long-term wearing effect is betterFar infraredThrough the far-infrared thermal effect, it can increase cell viability, regulate nerve fluid body, and strengthen body circulation.Negative ionNegative ions are called air vitamins, which have a good effect on the human respiratory system and immune system static electricity.magnetRegulate blood pressure, lower blood pressure, reduce radiation, improve red blood cell oxygen-carrying function, and reduce blood viscosityProduct FeaturesEliminate fatigueHelps sleep, resists physical fatigue, and fatigues the body and mind from the stress of life. The elements help sleep and relax the body and mind.Eliminate static electricity and maintain body balanceWhen people work outside for a day, the electrical charge in the body is messy. Magnets help to eliminate static electricity in the body and adjust the body balance.Anti-radiationNowadays, people cannot work and live without mobile phones and computers, and more and more radiation affects healthy lives.