    ‘Sentence 1: have an, old'smart phone. Can! utilize  its Bluetooth and’ display -(hardware) .and- other  required comiponents.o creaté d'deviee which can  pair- with “my- Android: device..that-can’ create ‘a  something liké a smart.watch?    Seritencé 2: Should a riovice runner: buy watch  specifically designed for funniing.(like Garmin).or @  smart watch .which connects -with. phone ‘like. a  (IPhone watch)?