Relacionar Columnas GadgetsVersión en línea gadgets, modern technology por Marga Czyk 1 You can switch on the tv, or change the channel with it 2 It is an optical disc to store digital data 3 You can listen to music everywhere using your 4 This device makes a loud sound at a specific time 5 You can make and receive telephone calls everywhere with it mobile phone remote control MP3 Player alarm clock compact disc