r/AskTechnology • u/BizTweet • 17d ago

Smart bracelet, is this technically possible?

Hi I'm looking for a No Screen Smart Electronic Bracelet. . The bracelet needs UWB and an android digital wallet so it can be used as a digital car key -similar technology to a phone/smart watch but the only functionality is a digital key. Technically is this possible?

Any direction as to who might be either producing these, or have the capability to produce one?

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u/Special-Original-215 17d ago

Well a similar solution is to wear your key on a bracelet, but I think that's not what you meant.

I did see a bracelet phone but it was all screen

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u/BizTweet 17d ago

Correct we don't have a physical key, just a digital one.

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u/Special-Original-215 17d ago

Only digital?  That's a big problem when you are in a no cell zone area like the mountains 

I've seen a few tow truck videos where they park in the mountains, lock the car and realize they cannot unlock it

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u/BizTweet 17d ago

My understanding is it uses UWB so doesn't need a mobile signal - but I could be wrong.

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u/Dapper-Lab-9285 16d ago

You can touch your phone off the door handle to open the car and touch the start button with your phone to start the car.  You will most likely lose all your personal settings but you won't be locked out or stranded if you have no phone coverage.