What's this?
camera
What's this?
CD player
What's this?
desktop
What's this?
DVD player
What's this?
keyboard
What's this?
mouse
What's this?
MP3 player
What's this?
smartphone
What's this?
printer
What's this?
projector
What's this?
remote
What's this?
tablet
What's this?
TV (television)
What's this? (verb)
turn off
What's this? (verb)
turn on
What's this?
gaming console
