I'm interested in a smart electronic bracelet with no display and a very limited purpose: storing an Android-compatible digital wallet credential and functioning as a digital car key through UWB, similar to how some phones and smartwatches work. Is this technically feasible, and are there companies already producing something like it or capable of developing one?
1 Answer
Some screenless fitness and activity bands already demonstrate that a small wearable can operate without a display. However, that doesn’t mean they support digital keys. You would need a secure element, the correct UWB and NFC protocols, compatible Android wallet support, and a car that recognizes the bracelet as an approved key.
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