to put him a normal heart rate monitor (and to vibrate when leaving the heart rate range) and a timer - that would be my ideal. The rest of the features in modern smartwatches are mostly marketing rubbish. Its pros: 7 grams unkillable not a scratch for a year (although once I scratched metal and brick at speed - there was a barely noticeable mark on the button, and the screen remained like new) charge lasts at least a month always clean - you wash yourself with it after training Has some cons does not measure the pulse at all: in motion, when at least a little sweaty, in the water in the water, the touch screen lives its own life, especially under the shower no timer
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