20 Pieces NFC Card, Square Rewritable NFC Tags, Ntag215 Memory

Product Specifications: 20 square NFC tags, 8.5 cm x 5.4 cm. All NFC cards use NTAG215 chips, providing 504 bytes of NDEF storage space. Supports fast read/write operations and information storage to meet various application requirements. Lockable and Rewritable: The NFC card features read/write locking, strong proximity detection, and high-speed read/write performance. It can be reprogrammed multiple times or set to read-only mode. (Once set to read-only, it cannot be changed.) Durable Material: The NFC tag chip is made of premium PVC, ultra-thin for portability, waterproof, abrasion-resistant, and robust. Features a white coating on both sides, suitable for printing, stickers, DIY projects, and is reusable. Wide Compatibility and Ease of Use: NFC chip compatible with Nintendo Switch, Wii U, 3DS, and NFC-enabled smartphones and devices (such as the Tagmo app). Its operation is simple, but ensure your device has NFC functionality; avoid using it on metallic surfaces or in strong magnetic fields. Versatile Application Scenarios: Programmable NFC card suitable for personal business cards, smart home control, access control systems, event logging, product authentication, and quick contact/link sharing. Supports custom programming to improve efficiency in daily life and professional environments.