sanpopo Black NTAG215 Round NFC Cards, Pack of 50 - Programmable & Waterproof

• About Product — 50 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 Android phone or compatible device, navigate to settings and ensure NFC functionality is turned on. Check your device's manual if unsure. — Ensure NFC is Enabled
• Download an NFC writing app like TagMo. Open the app, select the type of data (URL, Wi-Fi, text), input your information, and hold the sanpopo NFC card near your device's NFC reader to write the data. — Write Data to the Card
• Within the NFC writing app, you can choose to lock the card as read-only after writing. This prevents accidental overwrites and ensures the data remains permanent. Note: Amiibo tags can only be edited once. — Set as Read-Only (Optional)
• Tap the programmed NFC card with any NFC-enabled device to trigger the programmed action, such as connecting to Wi-Fi, opening a website, or initiating a smart home command. — Use the NFC Card

Typical situations where sanpopo NFC Cards NTAG215 Chip 50pcs Round 25mm | Compatible with TagMo & NFC Devices helps — illustrative scenarios, not customer reviews.