40pcs NFC Tags, NTAG215 Stickers NFC Chip Rewritable Coin Card, 25mm Round, 504 Bytes Memory Fully Programmable, Compatible with Most NFC-Enabled Devices

• Reliable NFC Stickers: Constructed with waterproof PVC material, this NFC label is abrasion-resistant and non-toxic, effectively protecting the NFC chip inside, ensuring durability and reliable performance
• Flexible Read/Write Functionality: The NFC tag has 504 bytes of available memory. It can be repeatedly erased and edited, or it also can be set as a read-only tag. If it is set to read-only, cannot be edited or reset any more
• Easy to Use: Read/write range is approx. 10 cm (actual value depends on the device). Just place the NFC cards close to the device's sensing area and the data will be automatically transferred to your phone, no manual pairing required
• Small NFC Coins: The size of round NFC card is 25mm in diameter, making it easy to embed into various surfaces or products. NOTE: It is not suitable for use on metal surface and in strong magnetic environment
• Wide Application: Compatible with most NFC-enabled smart phone & devices, you are able to write the NFC tag easily and share your social messages, music, connect to WiFi, business card, URL, authentication purposes, ect.

Feature: 【Compact and Lightweight】This round NFC tag sticker is made of PVC, with a diameter of just 25mm/1in, making it easy to embed into various surfaces or products. You can use it with confidence, as it offers excellent durability. 【High-Performance】This round NFC label operates at a frequency of 13.56MHz, providing fast and stable capabilities, with a read/write range of approximately 10cm (specific to the device). You can repeatedly update or lock information without worrying about frequent replacements, making it ideal for long-term use scenarios. 【Flexible Read/Write Functionality】This sticker supports read/write locking functionality. You can set it to editable mode (for repeated content modifications) or read-only mode (to prevent tampering) based on your needs, enabling one-click sharing of social media, music playlists, Wi-Fi connections, or smart home controls. 【Wide Compatibility】This round NFC tag sticker is compatible with most NFC-enabled smartphones and devices. 【Diverse Applications】This round NFC label is easy to integrate into labels, cards, or product surfaces. Combined with self-adhesive backing (not included), it can be used to create custom music walls, anti-counterfeiting labels, business information cards, or game props, among other applications. Specification: Material: PVC Model: NTAG215 Memory: 504 Bytes Operating Frequency: 13.56MHz Diameter: 25mm/1in Read/Write Time: 1-2m Read/Write Distance: 5-10cm Note: Please allow for manual measurement errors and colour differences. Package Included: 40 PCS * Round NFC Tags Stickers