Jakcom R4 Smart Ring New technology NFC ID Magic Finger Ring For Android IOS Phone Smart Accessories

About size: size selection refer to the picture at the end of the description. Package: Inner White Box: Unit G.W is about 60g, Unit Size is 7cm x 7cm x 3cm. Outer Brown Box: Unit G.W is about 24670g, Unit size is 53cm x 29cm x 37cm , Max with 400 pcs.