Spectra Breast pump question!

jo

I am torn between the spectra s1 and s2.

I know that the s1 can be used cordless, which is great! But, can it also be used while plugged in to the wall? I’d like to have the option of both.

Also, does being cordless affect the pump strength at all? Will it be as efficient at milk retrieval as the s2?

Thanks, mamas! ❤️