BBC Click on’s Nick Kwek goes into sub-zero temperatures to check a wristband that may heat you up.
The Embr Wave wristband is alleged to behave like a private air con unit utilizing a thermal electrical module to that acts like a heater.
The producers say it may fluctuate your physique temperature by as much as 5 levels. Nick places it to the take a look at in a chilly atmosphere after which in a sizzling tub.
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