1. Edge chamfering, exquisite craftsmanship 2. Easy to pick up and easy to paste, does not hurt the phone, full of adhesion, easy to paste 3. The magnetic field is not enclosed and has no effect on the mobile phone signal 4. 430 stainless iron material, not easy to rust 5. Slim and tight fit 6. Annular magnetizing sheet, the magnetic field is not closed 7. Material: 430 stainless iron 8. Application: mobile phones/power banks/car chargers that support wireless charging can be used 9. Size: outer diameter is about 55 mm/piece, inner diameter is about 45 mm/piece
