Set of adhesive metal rings for charging compatibility with Magsafe. SWISSTEN retail pack. MagSafeWireless charging with MagSafe charger is very simple. Perfectly placed magnets attach and center the charging area of new model line iPhones 12 and 13. MagSafe maintans compatibility with Qi charging, so it can be used for charging of iPhone 8 and newer models and also for another brands smartphones which supports wireless charging.UseMetal plates allow smartphones with wireless charging use MagSafe charging. You just stick the metal plate to your smartphone or outer side of the case to the are where the smartphone has wireless charging. Then you can just attach your smartphone to MagSafe charger. Leather and rough cases are not not suitable for the sticking of metal plates.