Customer Reviews

Mio Sport Select Heart Rate Watch

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I actually have the Sport model, not the Sport Select; but I did not see that one listed.

These watches are supposed to be as accurate as an EKG machine, and the company has testimonials to affirm that is true.

The steel back of the watch must be in contact with your arm while two fingers are on the metal buttons next to the display to get a reading. The arm must be relaxed and the fingers should not press too hard. Lick the fingertips before pressing the buttons for a faster, more dependable reading. I bought mine to use while cycling, and it helps me do what I want to do.

A number of things can interfere with getting a reading. See the FAQ's on the MIO web site if you have problems. For example, although my watch is new, I have no idea how long it sat in a warehouse. As a precautionary measure, I plan to install a new battery. The watch has not given a heart rate reading a couple of times and a weak battery can be a cause. If riding a bike on rough road, the vibration transmitted to your arm will keep the watch from giving a reading. If your arm muscles are not very relaxed, you will not get a reading. If I can avoid these two conditions, I can usually get a reading, even while riding.

The chief selling point is no need for a chest strap.

I like the watch. It has helped me modify my exercise program and I am losing weight at a more steady pace since buying the watch.

Update: One day I suddenly could get no heart rate readings. Later in the day I did get readings, but they were in the 200 bpm range and totally false. Through a process of reasoning and experimenting I decided the thin plastic film on the inside of the metal back plate was too thin in some spot and no longer electrically isolated the battery holder from the metal back. I cut a disc of paper the same shape and size as the thin white plastic film. I inserted it between the battery and the metal back. I was careful to allow the coiled spring to make good electrical contact with the metal back. The heart rate monitor works just like it should again.

Also, I did replace the battery, since I learned my Sport is no longer in production and could be a couple of years old already. Heart rate readings come a little faster with the new battery.

It a pretty good watch for the most part, although a lot of times you cannot get a pulse read the 1st time you try. this becomes annoying when you just want a quick read while in the middle of a hard cardio work out. [even if you stop working out, stand still with your arm flat, it still has a hard time giving you a read]