"The Vitamin D PowerPlug aims to optimize sunlight intake by calculating recommended sun exposure based on your skin type, location, and UV index."
"The Ultrahuman Ring Air uses a motion-sensing IMU and a PPG sensor to track movement and heart rate, inferring outdoor activity for sunlight exposure."
"Once you activate the Vitamin D PowerPlug, the ring logs outdoor activities like running or biking, automatically estimating sunlight exposure based on duration outside."
"The ring provides real-time UV index data, offering precise Vitamin D tracking contextualized to your specific environment, enhancing your understanding of sunlight exposure."
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