11*21mm Clear NFC Tags Stickers NTAG213 Chip Adhesive Labels Blank Rewritable for All NFC Enabled Devices

Product DescriptionThis is an ultra-thin PET NFC tag with NTAG213 chip, just 0.15mm thick. Offers 144 bytes memory, 100,000+ write cycles, and 10+ years data retention. Waterproof, scratch-resistant, with strong adhesive backing. Compatible with iPhone 7+ and most Android NFC phones. Tap to read, write via app. Ideal for digital business cards, greeting cards, badges, pet tags, music triggers, and more.Important NotesNot for Metal Surfaces: Do not apply directly on metal surfaces or in high-magnetic environments. Metal interferes with the signal and prevents reading.Phone Compatibility: iPhone 7 and newer only support writing; most Android NFC phones support read/write. Ensure NFC is enabled before use.Read Distance: Typically 1–5cm — smaller tags have shorter ranges. Keep the phone within 1cm of the tag for best results.Phone Must Be Unlocked: The phone must be unlocked to read the tag.Read-Only Lock is Irreversible: The tag supports read-only locking. Once locked, it cannot be edited or reset. Double-check your data before locking.Water Resistance: Coated with a waterproof layer for splash resistance, but not designed for prolonged immersion.How to UseEnable NFC on your phoneDownload an NFC writing app (Recommended: NFC Tools/TagMo for Android, NFC Tools for iOS)Open the app, select “Write” → choose content type (URL/Text/vCard/Wi-Fi, etc.)Enter the content you wish to storePlace the tag against your phone's NFC antenna (iPhone: top edge; Android: center-back)Tap “Write” and wait for the success message