Compatibility - Works with TagMo (Android NFC-enabled smartphones) and Placiibo NFC (iOS). Suitable for all NFC-enabled smartphones and devices. Size and Material - 50 pieces, each card the size of a credit card. - Made of high-quality PVC; sturdy, waterproof, drop-proof, and fold-resistant to protect the internal chip for long-term use. - Each card is individually packed in a poly bag. NTAG215 Chip and Performance - Blank cards use the NTAG215 chip, a fast, modern chip with good reading range. - Requires an NFC-enabled device to write and read the tag. - Data can be changed many times as long as the tag remains unlocked. - Once the tag is locked, it cannot be unlocked. Game character data can only be edited once. Blank White NTAG215 NFC Card - Printable surface allows you to personalize the card according to your needs. - Can be printed by most photo ID card printers, including DataCard, Zebra, Fargo, Evolis, Magicard, Nisca, NBS, and others. - Not suitable for inkjet printers. 2-3 Use Scenarios - Gaming and character data: Program with TagMo to store a game character or other data. You can rewrite multiple times until you lock the tag; after locking, the data cannot be changed, and game character data can only be edited once. - Custom ID or access passes: Print on the card surface with a professional ID printer to create personalized membership cards, event passes, or staff IDs. - General NFC tagging: Use as reusable, printable NFC tags for sharing URLs, contact information, or other data with NFC-enabled devices before finalizing the content.