The NFC Memory Keychain is a smart and compact accessory that allows users to store, share, and access digital content effortlessly using Near Field Communication (NFC) technology. This innovative keychain functions as a digital storage hub, enabling users to save important information, photos, links, or even emergency contacts, all accessible with a simple tap of an NFC-enabled smartphone.

Specifications:

Please note that this product is suitable for phone models released after 2018.

1.  Applicable models: Suitable for all NFC phones
2.  Product Material: High quality aluminum alloy+PC
3.  Product Features: The displayed photos can be easily replaced
4. Power supply method: NFC wireless power supply
5. Resolution: 200x 200
6. Point spacing: 0.138 x 0.138
7. Display colors: red, black, white
8. Refresh time: 8s
9. Visual angle:>170 °
10. External dimensions: 47.84mm x 41.28mm
11. Display size: 27.00mm x 27.00mm

The app name for Android phones is NFCtag. 
The app name for Apple phones is NFC E-Tag.