What’s better than adjustable Bowflex dumbbells? A set of dumbbells that can connect to your smartphone and keep track of your workout sessions. The SmartTech 560 Dumbbells track your exercises and send the data to your iOS or Android device. They each have a display, so you can get your info quickly. Just like those old Bowflex dumbbells, you can adjust the weight when using SmartTech 560 Dumbbells (from 2 to 90 pounds).
More gadgets like this: here
You can use these dumbbells to perform squats, lunges, and other moves. The company is expected to introduce these around Christmas. They won’t be super cheap though.
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