Ключевые слова: activity, app, application, body, bracelet, business, call, clock, close up, control, device, digital, display, electronic, equipment, fitness, gadget, hand, health, heart, holding, innovation, interface, lifestyle, male, man, measurement, mobile, modern, overlay, people, person, pulse, rate, screen, smart, smartphone, smartwatch, sport, square, technology, time, touch, touchscreen, using, watch, wearing, wireless, wrist, wristwatch,