@d_Wooluf has found a pretty good review of ReSound One with M&RIE receivers by Geoffrey Cooling, a well-known Brit hearing aid reviewer and user: LE Audio and the Future of Hearing - #52 by d_Wooluf 
Edit_Update: (just to minimize nagging by forum “AI”). Here’s another ReSound promotional video on the supposed superiority of ReSound One M&RIE to Brand X hearing aids in various difficult situations:
The ReSound spokesperson looks a little like the mannequin! I wonder if that’s intended?!
And yet more videos. The 3D sound videos are the most interesting. Rotate around to hear what the HA wearer is supposedly not hearing so much of thanks to ReSound One. You, the viewer, are supposed to be the HA wearer and the sound you receive varies as you turn your head using the navigation controls.
3D Directionality Videos
Link to Dr. Cliff, AUD videos on ReSound One and Bluetooth LE Audio posted by @d_Wooluf, LE Audio and the Future of Hearing - #58 by d_Wooluf