Kensington widget warns when iPhone goes walkabout

The Kensington Proximo system tells you if your keys and your iPhone get too far apart.

(Credit: Kensington)

Kensington has launched a system called Proximo that it promises will alert people when items like keys and iPhones are lost or stolen.

The Proximo kit consists of an iPhone app, a key fob for a keychain, and a third device to track something else like a backpack or car, the company announced at CES. If the items get too far apart — people can specify the exact distances, which are measured wirelessly using BlueTooth — they sound an alarm.

The fobs and app each come with buttons that triggers an audible alarm from a paired device to help locate it. And the app offers a map for GPS-based tracking for devices that are out of range.

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