The smart zikr ring, acrylic model, includes the same features as the metal model, but the difference is in the material it is made of, as it is made of acrylic, which is a material that combines the properties of glass in terms of shape and external texture, and plastic in terms of resistance to breakage, and its weight is lighter than the metal one made of aluminum alloys, and the charging box is with the metal model only, and the colors are different, but the rest of the features are the same in terms of connecting to the mobile and the operating system.