The updated Cardprotector for MagSafe features a powerful magnet that securely attaches your iPhone while allowing quick removal for everyday convenience. It ensures full protection for your cards with NFC and RFID blocking technology. Designed for iPhone models 12 and newer (except 16E), it can also be used with Android devices when paired with a compatible MagSafe case or adapter. Compatible with up to 4 embossed or 6 flat plastic cards. Please note, the magnet may interfere with medical devices; consult your physician if necessary. Apple, iPhone, and MagSafe are trademarks of Apple Inc.