Samsung Galaxy Watch Active2 40mm Smartwatch with Heart Rate Monitor - Aluminum Silver With 3 Year Extended Warranty from Best Buy Stay on top of your wellness goals, from running to sleeping to meditating, with the Galaxy Watch Active2. It automatically detects popular workouts and tracks your distance as it offers real-time feedback, so you can set goals and reach them. The lightweight aluminum watch and breathable strap promise comfort as you go about your day.