CES 2017: Photos of sleep gadgets and health tech innovations

Levl ketone monitor

Levl measures the amount of ketones in your breath to determine if you've reached your optimum fat-burning target.

Image: Teena Maddox/TechRepublic

By Teena Maddox

Teena Maddox is a Senior Editor at TechRepublic, covering hardware devices, IoT, smart cities and wearables. She ties together the style and substance of tech. Teena has spent 20-plus years writing business and features for publications including Peo...