Accent your style while enhancing your fitness With our vívosmart 4 activity tracker. 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...

Accent your style while enhancing your fitness with our vívosmart 4 activity tracker. 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...