Vivosmart 4

• 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

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