Features: • Accent your style while enhancing your fitness with the vívosmart 4 activity tracker •
This slim, smart wristband is loaded with features to track your daily activity and your sleep stages all night •
Wrist-based heart rate and Pulse Ox sensors help you learn more about your body, with all-day stress tracking, Body Battery™ energy monitoring, VO2 max and more •
Smart notifications keep you connected when paired with a compatible device •
Up to 7 days of battery life will keep you going strong
