We’ve all done it. Whether it’s on the bus or round an obscure relative's house, we’ve all left our sunglasses somewhere and not realised until we try and step out into the sun the following day. 

Australian eyewear designers Tzukuri are launching a line of sunglasses that should make this particular problem a thing of the past.

Embedded with a bluetooth beacon, it sends notifications to your iPhone when you’re 5m, 10m and 15m away.

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The solar powered device mean the Tzukuri’s can also be traced back to the nearest foot; in addition to showing the last known location you had your sunglasses with you on Apple maps.

We explicitly mention Apple maps as no surprise – it's only compatible with the iPhone.

Handmade in Japan with 100% UV protection, the shades come in six styles and three different sizes.

Price TBA, www.tzukuri.com

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SEE ALSO:

15 Of The Best Sunglasses For 2014
Nokia Launches The Treasure Tag Accessory For Smartphones
Google Announces The Android Wear Smartwatch
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