Ключевые слова: adult, app, application, black, bracelet, cardio, cardiovascular, care, check, clock, communication, concept, connect, device, digital, emergency, exercise, fitness, flexible, futuristic, gadget, hand, health, healthcare, heart, heartbeat, human, innovation, lifestyle, man, measure, monitor, performance, pulse, rate, screen, smart, smartwatch, sport, system, technology, time, touch, using, utility, watch, wearable, wellness, wristband, young,