I liked this watch so much that my son also bought it. We are a cyclist, but in different disciplines, he is engaged in a BMX flight, the training was recorded perfectly and based on it we cut sections in Strava to track the results of training. On a racing BMX, it is not so easy to place various devices. Personally, I ride on the highway and I have a bike computer to monitor the current parameters, but it does not write a track for Strava and there is no heart rate monitor, I decided to try it on myself and then give it to my son, but I liked the watch and my son bought a second one. Personally, I drove out of town for more than 7 hours, everything was recorded and 20% of the charge remained, i. E. the watch wrote the track using its GPS, as far as I know, for a long duration of work, you can start training on the phone and the watch will discharge much more slowly, though the phone is faster))) I took this particular model specifically because of the battery, I think I made the right decision, given the price.
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