Levl ketone monitor
Levl measures the amount of ketones in your breath to determine if you've reached your optimum fat-burning target.
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Teena Maddox is a Senior Writer 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 People, W and Women's Wear Daily.