Specification:

Chip: Ntag215 Protocol: ISO14443A Working frequency: 13.56 MHZ Physical capacity: 540 bytes Usable capacity: 504 bytes Reading and writing distance: 1-5cm Reading and writing time: 1-2ms Working temperature: -20 to 55 degree, humidity of 90% Erase times : > 100000 times Data storage: > 10 years Reading time: 100000 times Diameter: 25mm Packaging materials: PE self-adhesive + coated paper Application: Widely used for NFC enabled devices, you can store information or automatically Command (Check in, like Make a phone call, Open URL, Send SMS, access control, Open a local file or an application, etc)