Trusted Reviews is supported by its audience. If you purchase through links on our site, we may earn a commission. Learn more. MyZone MyZone Myzone unveils a new heart rate tracker that can be worn three different ways Myzone has unveiled its latest heart rate tracker, the MZ-Switch, which can be swapped out to fit ch… Tech News Thomas Deehan MyZone MZ-3 Review Score Points mean prizes Review Price: £130.00 MyZone Richard Easton Page 1 of 1