Ultrahuman Ring AIR Smart Ring Sizing Kit

Ultrahuman Ring sizes are different from standard ring sizes. Purchase sizing kit first to get the perfect ring AIR size. Ring AIR is available in 10 sizes from 5-14. It is important to first use the sizing kit to determine the ring AIR size. Wear your ring sizer for at least 24 hours to know your fit. Wear the ring such that the engraved size number is toward the palm of your hand. Physical specificationBand thickness: 8.1mm. General informationManufacturers 1 year guarantee. EAN: 8906184870854.