[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 12 ms. Data retention lasts over 10 years, supporting 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 personalization according to your needs. 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 payment, product information lookup, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, library book borrowing, and more. Sensing distance: 010 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 display differences may cause slight color variations between the image and the actual item. Measurement allowance: 13 cm.