Fitness Amazon is taking on Apple and Fitbit with a smart wristband and an app that tracks your sleep, judges the emotion in your voice, and scans your body to calculate body fat By Emilee Geist 2 years ago
Fitness Amazon is taking on Apple and Fitbit with a smart wristband that estimates your mood and an app that scans your body to calculate body fat By Emilee Geist 2 years ago
