A guy showing the parts of a speaker or computer.
An adult man is pointing out and explaining different parts of a computer at his home.
A man in a black shirt explains about the buttons on a computer tower
A young man is indoors showing various components of a desk top computer.
A man says something showing a speaker and also about the opened circuits
A man with glasses is explaining the different ports on the computer.
The man is explaining the different parts of the speaker.
A man is explains how a speaker and amp system he is holding connects to the motherboard of a computer.
A man inside a room demonstrates a computer equipment and others equipment on the table.
A man is showing off the tower of a computer.