EOENKK | NFC Function Memory Keyring 1.54-inch Three Color Display Screen Image Wireless Transmission Keychain Ink Screen

Please note that this product does not include Airtag and is suitable for phone models released after 2018. [Applicable models]: Suitable for all NFC phones【 Product Material 】: High quality aluminum alloy+PC【 Product Features 】: The displayed photos can be easily replacedPower supply method: NFC wireless power supplyResolution: 200x 200Point spacing: 0.138 x 0.138Display colors: red, black, whiteRefresh time: 8sVisual angle:>170 °External dimensions: 47.84mm x 41.28mmDisplay size: 27.00mm x 27.00mmThe app name for Android phones is NFCtag. The app name for Apple phones is NFC E-Tag.If you use an Apple phone, you need to place the key ring next to the lens.