Taking a spin with Garmin’s vivosmart 4 activity tracker, out today – TechCrunch

Garmin continues to go head-to-head with Fitbit with the launch of its latest offering — the vivosmart 4 activity tracker. This sleek new wristband not only tracks steps, activities and gives you the weather but also comes with a blood oxygen sensor and will tell you how much energy you have saved up for your next full throttle burn session. That new body battery energy calculator estimates