is garmin vivosmart 4 waterproof?
Shop for Garmin Vivosmart 4 Not only does the fully waterproof Vivosmart 4 have Garmin's redesigned Elevate heart-rate sensor, new abnormal heart-rate alerts, VO2 max, stress tracking and activities for walks, runs, strength training, pool swims, yoga and more, but it introduces a new wrist-based pulse ox sensor.