This is a real diamond.

She has a diamond necklace.

This record is recorded in mono audio.

This music is being played at a volume of 80 phons.

The Internet of Things is an important technology in modern society.

I think this bag is a fake.

My new smartphone is very convenient.

The call waiting rang, letting me know that someone was trying to contact me.

I bought new earphones.

This bowl is full of fresh fruits.