battery (n), you put this inside a gadget to make it work, cable (n), it is a piece of wire to join things together, charger (n), you use this to put more electricity into your phone, earphones (n), you use these to listen to music, plug (n), a small object at the end of a charger, selfie stick (n), you use this to take photos of yourself, speaker (n), a part of a devise where the sound comes out, smartphone (n) smartphone (n) , a mobile phone that is also a small computer, gadget (n), a small useful cleverly-designed machine, app (n), a computer programme, tablet (n), a small flat computer, screen (n), monitor.

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