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