IO ring is a ring available in two variations, masculine and feminine, in which it is sought to merge the characteristic luxury of a jewel with the functionality provided by the new technologies. IO ring integrates a TAG or NFC (Near Field Communication) connectivity programmable with encryption, capable of storing personal data of the bearer, as well as access keys to devices compatible with NFC technology (private access doors with contactless opening system , Contactless wallet payment, car access and start-upAccess to public transport services, etc. Aesthetically, IO ring is intended to reflect the technology-jewel fusion. Its shape, materials and textures look for elegance, a touch of sobriety, fluidity, movement and contrast. It is made of black anodized steel inlaid with 24K gold.