Ключевые слова: adult, athlete, background, blur, bodypart, bpm, checking, checkup, closeup, concept, device, digital, display, exercise, finger, fit, fitness, gadget, graph, gym, hand, healthcare, healthy, heart, heartbeat, human, indoors, information, lifestyle, male, man, measure, medical, monitor, one, people, person, rate, screen, selective, showing, skin, smart, smartwatch, technology, thumb, timer, tracker, watch, wrist,