Band Material:Does not applyNumber Of Lithium Ion Cells:1Model:Does not applyBattery Weight:0.5Case Size:Does not applyPackage Dimensions LxWxH:3.46x3.23x1.06 InchesStyle:ClassicSize:Us 8UPC:Does not applyModel Number:Tul-H01gtin13:Does not applyColor:Silver With Middle GoldImport Designation:ImportedWeight:0.14 PoundsDisplay Size:1.0Compatible Operating System:Does not applyMaterial:Stainless SteelBatteries Required?:YesModel Name:H01 Smart RingItem Shape:RoundBrand:Does not applyTarget Audience:Unisex AdultsType:Does not applyBatteries Included?:YesCompatible Devices:SmartphonesIncluded Components:Smart Ring, Charging Cable, User Manual