This Jewelry adhesive label is complaint with EPC C1G2 (ISO18000-6C) standard, operating  frequency is 860～960MHz (It can be used worldwide).Each tag has a unique ID and stores user  data. The Jewelry adhesive label is designed for use in jewelry and small items applications  where the tag may be in close proximity to small metal or metallic coated objects. It can used  for brand anti-counterfeiting,inventory counting,anti-theft tracking,etc