... 2) Material: ABS, PVC 3) Shape: keychain, fob, token, wris key Fobs/Keychain Smart Tag:4) Chip: TK4100, EM4100, T5557, Hitag2 ... : Passive 6) Material: PVC, PET, ABS 7) Size: 86 x 54 x 0.8mm (T) 8) Applications: logistics automation, anti-counterfeiting, access ...