1. [Chip Feature] Manufacturing process strictly follows the protocol ISO/IEC 50443A. It has 504-byte storage capacity and read-write lock function, with reading and writing time of 1-2ms, data storage duration of over 10 years, and more than 100,000 erase and write cycles. 2. [Size and Material] Each card is the size of a credit card, made of PVC material, sturdy, waterproof, drop-proof, and fold-resistant, which can protect the internal chip and is suitable for long-term use. Each NFC card comes with individual poly bag packaging. 3. [Blank White NFC Card] The printable surface allows personalization according to needs; it can be printed by most photo ID card printers, such as those for Nisca, NBS, etc. Not suitable for inkjet printers. 4. [Compatibility] Compatible with TagMo (Android NFC-Enabled Smartphones) and Placiibo/Amiiboss/Amii NFC (iOS). Suitable for all NFC-enabled smartphones and devices. 5. [Wide Application] Can be used for check-in, mobile payment, product information query, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, book borrowing, etc. Sensing distance: 0 - 10 cm (specific actual distance depends on sensors). 6. Quantity: 100 PCS 7. Colour: White 8. Material: Plastic 9. Size: 85.5x54.5mm 10. Package Contents: 100 * cards (only the above package content; other products are not included) 11. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.