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 requiring only 1-2ms, data storage duration of more than 10 years, and more than 100,000 times of 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 poly bag individual packing. ③. [Blank White NFC Card] The printable surface allows you to personalize your NFC card according to your needs; it can be printed by most photo ID card printers, such as for Nisca, for NBS, etc. Do not use 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 is related to 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 be a little different from the real thing. The measurement allowed error is +/- 1-3cm.