We put a bunch of wearables to the HR test and ask the experts what’s going on
You might have noticed photos on social media of smartwatches and fitness trackers wrapped around toilet rolls this week, after it was found that some devices take ghostly heart rate readings from inanimate objects.
It started with the Xiaomi Mi Band 3 when a group on Weibo noticed that the budget fitness tracker’s heart rate monitor was somehow able to provide a heart rate reading while strapped to the toilet roll.
But how many wearables fall foul of this, and why does it happen? We thought we’d power up a bunch of wearables, put them on a toilet roll to see which were heart breakers and which were…heartfakers (just go with it, it’s all a bit of fun).
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