Real ChatGPT answer · index seedAfxKXIyWFqEcompleteConsumer electronics · wearablesinformational

Can someone with wrist tattoos or darker skin tones experience issues with optical heart rate sensors on fitness trackers

ChatGPTgpt-61 query11/1/2026
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SEED QUERY
Can someone with wrist tattoos or darker skin tones experience issues with optical heart rate sensors on fitness trackers
1 real search · 1 real-search pass
research optical wrist heart rate sensor accuracy darker skin melanin tattoos study fitness trackersGoogle ↗
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Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
research optical wrist heart rate sensor accuracy darker skin melanin tattoos study fitness trackers
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