AIRO bracelet can determine the makeup of the food you've eaten recently and track stress and sleep.

Keeping track of exercise, sleep and stress levels is nothing remarkable for wearable technology, but now it would seem there is one that can also keep track of how much you've been eating. The AIRO Wristband uses tiny LEDs on the wristband's underside to detect metabolites in the bloodstream, which means it can even break down the nutritional intake of your food.

The wristband is able to parse the nutritional value of food into protein, fat and carbohydrates, which can then be sent to an accompanying app. It can't tell the difference between simple and complex carbohydrates yet, but the company continues to experiment and is confident they can come up with something. Abhilash Jayakumar, co-founder and CEO of Airo Heath, told Engadget how the device is able to recognize different light properties unique to various nutrients:

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