Slim, smart fitness tracker 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 wrist-based heart rate³, all-day stress tracking, relaxation breathing timer, VO2 max, Body Battery™ energy monitor and more. NEW in box.
