Ключевые слова: ability, accessory, active, application, background, beat, bpm, calories, capacity, cardio, device, digital, display, energy, finger, fit, fitness, gadget, health, healthy, heart, heart beat, heartrate, icon, illustration, innovation, lifestyle, measure, measurement, mobile, modern, monitor, object, performance, potential, rate, screen, smart, smartwatch, symbol, technology, time, touchscreen, tracking, training, watch, wearable, wrist,