he can't fully transform and he has bees issues
So he has:
Bumblebee's voice issue (can't speak normally, uses music, soundbites, or signals to communicate).
Hacking and remote vehicle control abilities.
Super speed/reflexes, agility, and compact combat power (think: Bumblebee in hand-to-hand fights).
Bravery and loyalty, even though he's not a loud or showy character.
He's not a full-on Transformer, just a human-sized person with advanced alien-like tech inside.
But he will get some upgrade in the up coming chapters