FM Hearing Systems – The Roger Pen
October 3, 2019
The Roger Pen – The All Singing All Dancing Hearing Aid Gadget: What is the Roger Pen and Why is it the Superior Microphone? The Roger Pen is an advanced
The Roger Pen – The All Singing All Dancing Hearing Aid Gadget: What is the Roger Pen and Why is it the Superior Microphone? The Roger Pen is an advanced