A:AnswerThe sleep tracker seems to be very accurate. I had a misfit when they first came out and it worked OK, but the Garmin seems to be more accurate.
A:AnswerThe vivosmart HR + has a screen that you can set at the default screen (typically the time of day). You can then swipe on the screen to scroll to the heart rate screen in order to see your heart rate. The vivosmart HR + does contain a backlight that canbe used in lower light environments.
A:AnswerI’m not sure about Russian. It has many languages. Sadly, when I was trying to figure out if Russian was on it, I changed it off of English and now I have not idea what it’s saying. Lol
A:AnswerI think you do this on the watch as other or cardio and use the gps function and then log onto the garmin connect website and simply change from other to cycling.