Ключевые слова: accessory, app, application, calories, cellphone, control, device, diagnostic, digital, display, distance, electronic, fitness, gadget, hand, health, healthcare, heart, heartbeat, heartrate, holding, hologram, icon, information, lifestyle, measure, measuring, mobile, mobilephone, online, person, phone, puls, rate, smart, smartwatch, technology, touchscreen, tracker, watch, wearable, wellness, wireless, wrist,