smart ring new rfid technology nfc id ic m1 magic finger ring for android ios windows nfc phone smart watch phone accessorie, Silver

origin : cn(origin)
metals type : none
gender : unisex
material : ceramic
style : classic
rings type : wedding bands
shape\pattern : heart
surface width : 2.5mm compatibility : all compatible
function : message reminder
function : call reminder
setting type : none
fine or fashion : fashion
occasion : anniversary
item type : rings
model number : r4.syi