Tips:The metal ring is not magnetic. Please peel off the protective film of the metal ring surface before use. Please align your cellphone with your wireless charger, and lock it in place, so that to provide easy wireless charging.

Thickness: 0.5MM ; Inner Diameter: 1.8inch / 46mm; Outer Diameter: 2.2inch/56mm.Ultra Thin,Black/Silver.Tear off the protective film on the surface, place the metal ring on the outside of a smooth and flat shell, and put it on the wireless charger in correct position to have a magnetic attraction effect.

Compatibility: Compatible with Magsafe magnetic wireless car chargers on Samsung Galaxy Series, iPhone 12 mini,12,12 Pro,12 Pro Max, 8, 8 plus, X, XR, XS Series,11 Series,13 mini, 13,13 Pro,13 Pro Max etc.

Packing List: 10 x Metal Rings with Sticker. Before installing the metal ring on the wireless charger, please ensure that the surface is clean and dry, and choose the proper wireless charging location.

Ultra Thin & Portable: Made of metal and strong adhesive.The metal ring is attached with a protective sticker, stable, not easy to rust, no fading and no deformation and not slip off easily.