"The Snap uses the same kind of NFC chip that lets your smartphone double as your credit or debit card. Using an accompanying mobile app images are wirelessly transferred by aligning your smartphone's NFC antenna to the one located inside the lower left corner of the Snap."
"Changing the photo the Snap displays takes about 25 to 30 seconds. While the actual image transfer is a 10-second process, the rest of the time is used to refresh the Snap's E Ink screen."
The VidaBay NFC E-Paper Fridge Magnet, known as the Snap, resembles instant photos but utilizes NFC technology and E Ink screens. It is compact, measuring 4mm thick and 2.5 inches in size, and has no buttons or connectors. Users can wirelessly transfer images from their smartphones using an app by aligning the NFC antennas. Changing the displayed photo takes about 25 to 30 seconds, with the actual transfer taking 10 seconds and the remainder for screen refresh.
Read at The Verge
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