... RFID Tag1.Waterproof, durable, and fashion shape2.Flexible usage, like for room key,ID cards, access control3.Keyfob measures ... also named as RFID key chain,key fob,key finder,key ring,key holder.It is a more convenient and fashion solution for the ... membership management, rewards and promotion Related productsPVC rfid keychain, leather keychain ,etcMore information about the IC at different frequency ...