Radio 4 in Four - How accurate are wearable fitness devices? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How accurate are wearable fitness devices? - ÃÛÑ¿´«Ã½ Sounds


How accurate are wearable fitness devices?

Winifred Robinson finds there are surprising variations with different wearable gadgets.

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