All the time extra beneficiant in sports activities modes, Xiaomi now gives greater than 110 on its Good Band 7, 4 of which might be detected routinely (strolling, working, rowing machine, elliptical coach). Many of the sports activities modes, nonetheless, are solely used to document a coronary heart price with out offering particular capabilities for the outlined follow (no variety of forehands and backhands in tennis, for instance). The swimming perform is nonetheless in a position to detect the variety of pool lengths carried out, the rowing perform measures the frequency, and the leap rope exercise counts the variety of jumps, however that is the minimal that may be count on. Because it stands, the completely different actions supplied are primarily used to obviously differentiate the recordings, however that is the lot of most exercise bracelets.
Extra coaching information
Important data is nonetheless offered for the evaluation of our efficiency (tempo, cadence, distance, cardio stage, and so on.). The Good Band 7 even provides extra superior coaching evaluation, calculating VO2 Max (most oxygen uptake), coaching load and really helpful restoration time. Not sufficient to compete with a sports activities watch, particularly since this information will not be used within the context of coaching applications, however nonetheless attention-grabbing for athletes who would solely use this Xiaomi bracelet.
A coronary heart price measurement that may nonetheless be improved
The primary limitation of entry-level exercise bracelets, the accuracy of coronary heart price measurement will not be a powerful level of the Good Band 7 both. Xiaomi’s bracelet doesn’t achieve this badly, nonetheless. Throughout steady-paced exercise, the sensor manages to trace a comparatively steady price with an inexpensive margin of error. It’s nonetheless delicate to actions and particularly to contractions of the wrist and should be tight for the measurement to be achieved appropriately, as with many bracelets and even watches.
It is a completely different story in terms of monitoring an irregular coronary heart price throughout actions with speedy adjustments in tempo (interval working, for instance). Properly positioned, the Good Band 7 is ready to appropriately measure the utmost coronary heart price throughout train and calculates a median near that obtained with our reference Polar H10 chest strap. As might be seen on the curves beneath, Xiaomi’s sensor will not be doing so badly, regardless of an apparent lack of precision and some misses. This may be sufficient to get an general concept of the hassle made throughout an exercise.
And not using a GPS chip, the Good Band 7 should depend on that of the smartphone to document the route throughout an out of doors outing.
The Xiaomi Good Band 7 makes use of its movement and SpO2 sensors to trace sleep and detect potential sleep apnea. The analyzes offered by the sensor are typically related, however generally durations of awakening usually are not detected. Basically, it is usually tough to look at the entire phases of sleep, the Good Band 7 noting a mess of fractions of sunshine sleep and REM sleep.