The ONLY drawback I can see is the fact that it can't be used with an Otterbox cover

I didn't like the fact that I had to take my phone out of its protective case to use the microphone

Biggest issue is the fact that it

One big oversight is the fact you are not able to plug the microphone into a device that is still in its case

This mic has stopped working as of yesterday, July 14, 2017 at an Orchestra Concert.