This is my second Vivosmart. After a few years my first one stopped charging so I decided to get a new one. Well not really, it's been restored. Love all the new features but would love to get an exact replacement. The "3" is a bit wider on my wrist and not as comfortable. I use mobile apps and love all the information the device collects. Easy to read, easy to use. Because of all the extra information, I have to charge it about every four days. My original held a charge for about a week. The good thing is that it tells you when you've used 10% battery.
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