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Here's why heart rate monitors are getting bpm from bog rolls - Wareable
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Why is Xiaomi's fitness tracker detecting a heartbeat from a roll of toilet paper? - video Dailymotion
Why People Are Putting Fitness Trackers on Toilet Paper in China
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Why In The World Are The Chinese Putting Fitness Trackers On Toilet Paper Rolls?
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Why is Xiaomi's fitness tracker detecting a heartbeat from a roll of toilet paper? | South China Morning Post
Mi Band 3 fail - YouTube
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Amazon.com: Deeprio Smart Watch 1.69 inch for Android Phones and iOS Compatible iPhone Samsung Men Women HD Screen Oxygen Pleasure Heart Rate Monitor IP68 Waterproof Smartwatch Fitness Tracker Fitness Watch : Electronics
Why could a fitness tracker detect heart rate from a roll of toilet paper? - CGTN