TL;DR: 3.8mm bluetooth device inside an optional custom wallet that allows you t... | Hacker News

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		casca on Nov 12, 2012 \| parent \| context \| favorite \| on: Never Lose Your Wallet Again TL;DR: 3.8mm bluetooth device inside an optional custom wallet that allows you to track where your wallet is using an IPhone 4S, 5 or new IPad. Personally I haven't misplaced my wallet since I was a teenager but I guess this might be useful to some. It's not clear why they're limiting the IPhone/IPad hardware requirements to just the newest ones.

darklajid on Nov 12, 2012 [–]

Hardware: Are the older models supporting the low energy mode of bluetooth 4? If not .. that'd be the reason, I guess.

mceachen on Nov 12, 2012 | [–]

The 4S was the first iPhone to support low-energy bluetooth.

Note that this use-case is handled specifically in the spec:

http://en.wikipedia.org/wiki/Bluetooth_low_energy#Electronic...

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