What kind of ears are kittens?

The structure of kitten's ears is as follows:

The cat's inner ear structure is similar to that of human beings, and its shape is triangular, but its balance function is much stronger than that of human beings.

The function of kitten's ears is as follows:

Cats have very keen hearing. Its hearing is more than twice that of human beings. Cats' ears are very flexible, like radar, and they are always absorbed in searching for the surrounding sounds. The function of cat ears is amazing. It can distinguish similar sounds with a distance of 15-2 1 meter.