My first V19 was a gift from a friend. I was so impressed with the many functions in such as small device and that I was able to use it for about 3 years before it finally gave up the ghost. I went to the fitvii website and notice there was a V19 Pro that was a little bigger for easier reading. It worked even better. The application with my iPhone works great. I have never had a problem. This is truly the greatest value for one's money if you are interested in your blood pressure, daily steps, EKG (the cost of non-wearable home EKG's used to be over $200), sleep quality and message signaling. $80 bucks for all this? Fantanstic!
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