Ключевые слова: active, activity, adult, app, athlete, check, closeup, exercise, fit, fitness, gear, gym, health, jogger, jogging, lifestyle, man, marathon, mask, medical mask, mobile, monitor, outdoors, people, person, phone, physical exercise, pulse, rate, run, runner, running, smart, smartphone, social media, sport, summer, technology, time, touchscreen, tracker, tracking, trail, training, walking, watch, wearable, wireless, wrist, wristband,