Does this sentence

I have been learning for 2 hours.

can imply that I am not learning now, I'm tired and I want to use this sentence to show the effect the learning has on me?

Or it is better to say "I have learned for 2 hours"?

Take the following sentence:

I have been learning for two hours.

Can this imply that I am not learning now? I'm tired and I want this sentence to show the effect that learning has on me.

Or it is better to say "I have learned for two hours"?