Specification: 100% brand new and high quality Material: Metal Color: Silver , Black Size: approx. 51x61mm,45x55mm Metal Ring for Magnetic Qi Wireless Charger The metal ring it not a magnet itself. The metal ring is to enhance the magnetism,just stick this product on the phone case. Feature: (1)Compatibility is strong, a variety of magnetic mobile phone support can be used on the market (2)Super strong magnetic, does not affect the mobile phone signal Package includes: 1*Metal Ring Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.