Garmin's new vivosmart 4 tracks your sleep and energy levels TechSpot

Billed as Garmin’s most fashionable activity tracker to date, the new vivosmart 4 features a pulse ox sensor which measures blood oxygen saturation levels at night. Combined with advanced sleep monitoring to estimate light, deep and REM stages of sleep along with movement, the vivosmart 4 aims to help users...





from TechSpot https://ift.tt/2N305Uh