The Renpho Elis 1 Smart Scale has racked up over 54,000 five-star reviews on Amazon, and right now you can get it for under $20 thanks to October Prime Day. That’s a steal for a device that syncs with ...

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For those whose fitness journey could use a little more data and a lot less guesswork, a good smart scale is an essential. Right now, the Renpho Smart Scale is on sale for just $20.99 at Amazon.