... twill red, denim blue 2. Material: germanium, titanium, anion Item NameTHB 2012 titanium ion sport necklaceModel Number MS-022MaterialTitanium,germanium,negative ... fatigue, enhance athletic ability.Production Detailed FunctionThe role of Titanium Titanium has a special current characteristics ,for the human body ... has an important impact on life activities. THB 2012 titanium ion sport necklace