Here is the next device to be tested, the MIO Link wristband. For the most clueless, it is a pulse meter, and its main differentiating element is that it is not a chest strap as we are used to. The MIO Link measures pulses through a technology, pulse detection with optical sensors. Thanks to an LED (green) light is projected onto the skin, and the optical sensor is able to measure blood flow.
Now begins a stage of tests of the most varied kind, comparing its operation and accuracy with the usual measurement methods and assessing its usefulness for runners.
MIO Link, official website