[Chip Feature] Manufactured following the ISO/IEC 15693 standard. Features 504-byte storage capacity with read-write lock functionality. Reading and writing time requires only 1–2 ms. Data retention lasts over 10 years, with support for more than 100,000 erase and write cycles.[Size and Material] Each card is credit card sized. Made of high-quality PVC material, durable, waterproof, drop-resistant, and fold-resistant, effectively protecting the internal chip for long-term use. Each NFC card comes individually packed in a poly bag.[Blank White NFC Card] Printable surface allows customization. Compatible with most photo ID card printers. Not suitable for inkjet printers.[Compatibility] Works with TagMo (Android NFC-enabled smartphones) and Placiibo/Amiiboss/Amii NFC (iOS). Compatible with all NFC-enabled smartphones and devices.[Wide Application] Suitable for check-in systems, mobile payments, product information queries, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, library book borrowing, and more. Operating distance: 0–10 cm, depending on device sensitivity.Quantity: 100 pcs Color: White Material: Plastic Size: 85.5 x 54.5 mm Package Contents: 100 x NFC Cards Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement may vary by ±1–3 cm.