vÃvosmart® 4
529vÃvosmart® 4 Track your wellness and fitness activity with style Slim, smart activity tracker1 blends fashionable design with stylish metal accents and a bright, easy-to-read display Includes advanced sleep monitoring with REM sleep and can gauge blood oxygen saturation levels during the night with the wrist-based Pulse Ox2 sensor Fitness and health monitoring tools include…