sanpopo NTAG 215 NFC Coin Cards 100-Pack | 504 Bytes Memory, Rewritable, Compatible with TagMo Amiibo & NFC Devices - 25mm (1 inch) Round

• About Product — 100 pieces white blank NFC coins tags, the round NFC cards is 25 mm in diameter. Small and portable to carry. The quantity is just the right amount for fun and needs; good choice as a small gift for your friend or family. Note: without self-adhesive glue; Not designed for use on metal surfaces
• About Chip — High quality NTAG215 Chip, with 504 bytes of available NDEF memory. Providing enough storage space, you can quickly write the information you want. It has a read-write lock function that makes the NFC cards can be edited repeatedly or read-only, cannot be edited or reset after set as read-only tag. The NFC blank tags can be read and written over 100,000 times, please note that it is not suitable for use in strong magnetic environment.
• About Material — Made of durable waterproof PVC material, the round PVC NFC cards can be placed outdoors or near water without the risk of losing functionality. No adhesive, not designed for use on metal surfaces; Designed to work with NFC devices or NFC compliant proximity coupling devices including other NFC-enabled phones and tablets. The surface is smooth, shiny and abrasion-resistant.
• About Application — Compatible with TagMo and most NFC-enabled Android phone & devices, you are able to write the NFC tag easily and make an tagmo for any weapon, pet, mount or fashion item you want. Quickly share your social messages, music, connect to WiFi,business card, URL, text, security, authentication purposes, ect. The NFC cards are rewritable, which means you can use them over and over again to store different data and information (for amiibos can only be edited once and cannot be reused)
• About Warranty — If, for any reason, you're not satisfied with the NFC stickers, we will issue you an exchange! Any questions, please do not hesitate to send the seller a message through Amazon and we will respond within 24 hours.

• On your NFC-enabled Android device or compatible phone, navigate to settings and ensure the NFC function is turned on. For Amiibo customization, download and install the TagMo app from your device's app store. — Ensure NFC is Enabled
• Open your chosen NFC app (like TagMo). Select the data you wish to write (e.g., Wi-Fi details, Amiibo data, URL). Place a sanpopo NTAG 215 card on the back of your NFC-enabled phone and follow the app's prompts to write the data to the card. — Program the NFC Card
• After writing, tap the programmed card with another NFC-enabled device to verify the data transfer. If desired, use the app's function to set the card to read-only mode to prevent accidental overwrites, especially for critical data like Amiibo configurations. — Test and Secure the Card

Typical situations where sanpopo NTAG 215 NFC Coin Cards 100-Pack | 504 Bytes Memory helps — illustrative scenarios, not customer reviews.