Garmin vĂvosmart 4, Activity and Fitness Tracker w/Pulse Ox and Heart Rate Monitor, Midnight w/Black Band, Large (Renewed)
Slim, smart activity tracker blends fashionable design with stylish metal accents and a bright, easy-to-read displayIncludes advanced sleep monitoring with REM sleep and can gauge blood oxygen saturation levels during the night with the wrist-based Pulse Ox sensor. (Not a medical device and not intended for use in the diagnosis or monitoring of any medical…