LHBycty Smart Ring - L

Product parameters: Carrier frequency: 13. 56MHZ, 125KHZ RF distance: 1~3cm IC chip: CUID x2 ID chip: T5577 x2 NFC chip: Ntag216 x2 Host material: ceramic Size: S, M, L Perimeter (mm): 50~58, 58~63, 63~73 Weight: 9 grams Package Include 1 x smart ring kit If You Have Any Questions Before Purchasing The Product, Please Us Via Email, And We Will Provide You With A Satisfactory Answer. Happy Shopping.