Material:Metal Type:MJ02 Style:Smart Ring Material:Pure titanium black glaze golden white enamel Thickness:0.5 Centimeter Property:Waterproof Shockproof dustproof Size:American standard ring size 7-12, 6 sizes available Color:Black and White Waterproof grade:IP68 Hot sale with:androwatch Similar product:Wiky Watch Perfect Match to:Smart Watch U8