... customized Specification: silicone watch,anion silicone watch,silicone bracelet,bracelet jewelry fashion,sports watch,bracelet watch,healthy gift watch.1)made by 100 ... Q&Tourmaline.2)This anion watch can emit negative ions infrared which made you calm,soothe and relax your mine,also ... 3M)4)Negative ion emittance about 1700-1900 ion/cc5)far infrared ray emittance (more than 90%)6)standar size or customer ...