Garmin Small/Medium vivosmart 4 Smart Activity Tracker with Wrist-Based Heart Rate and Fitness Monitoring Tools - Black

Accent your style while enhancing your fitness with our Garmin Vivosmart 4 Fitness Activity Tracker (Small/Medium) - Black/Slate. This slim, swim-friendly wearable comes loaded with fitness and wellness features to help you make the most of a healthier, more active lifestyle. A wrist-based Pulse Ox sensor lets you estimate blood oxygen saturation while you're sleeping or you can spot-check your...