Ключевые слова: active, activity, app, application, armband, athlete, cardio, checking, device, earphones, equipment, exercise, fit, fitness, footwear, gadget, gear, gym, health, healthy, lifestyle, marathon, mobile, modern, monitor, muscular, outdoor, phone, pulse, rate, runner, showing, smart, smartphone, smartwatch, sport, sportswear, sporty, tech, technology, tracker, training, triathlon, vitality, watch, wearable, weight, workout,