Using the feelers on its ears, it can tell how someone is feeling or when an egg might hatch.
– Pokémon Omega Ruby Pokédex
Audino is the only Gen 5 Pokemon to get a mega evolution. It’s a bit of an odd choice imo. It changes from Normal to Normal/Fairy upon mega evolving.
Stat-wise it games a little bit of Sp Attack, and a lot of Def/Sp Def