How good is the mic for phone calls?

I would use the headphones often for phone calls. How good is the mic on this set? Can folks on the other end hear as long as I speak at a normal volume, or would I need to speak louder than normal to be heard well including in somewhat noisy environments like a coffee shop?

Beats Solo 3 Wireless On-Ear Headphones - Neighborhood Collection

Beats Solo 3 Wireless On-Ear Headphones - Neighborhood Collection

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