There is a seam on the top of Glory 50pro. Is it a receiver?

Hello, there is a noise-reducing microphone in the gap at the top of Glory 50. When you make a phone call, he will minimize the surrounding noise. Glory 50 Pro is equipped with Qualcomm Snapdragon 778G eight nuclear processor; Rear/kloc-0.08 million pixel main lens+8 million pixel super wide-angle lens+2 million pixel depth-of-field lens+2 million pixel macro lens four shots, support/kloc-0.0 times digital zoom, front 32 million pixel main lens+/kloc-0.20 million pixel video lens double shots; Equipped with 4000 mAh battery.