Impossible to lose
The glasses are balanced, comfortable and - in the eyes of this writer, at least - stylish. And the locator app, which is loaded onto your smartphone at the time of purchase, is clean and intuitive...
Never lose your glasses again
When Allen Liao was still at university he borrowed a friend's expensive sunglasses and lost them. "He wasn't very happy with me so that's how it all started," Liao says.