What is B in Morse code?

B is -..., spoken as dah dit dit dit.

How should I learn B in Morse code?

Listen to dah dit dit dit as one rhythm at 20 WPM rather than counting individual marks.

International Morse alphabet

B in Morse code

Long then three short: BOOT to the beat

-...dah dit dit dit

30 second sound drill

Listen to the complete rhythm. Do not count its parts.

Repetitions

Ready

Hear B as one sound

At 20 WPM, the elements join into a recognizable audio shape. Farnsworth spacing leaves time after the complete character without changing that shape.