2 new reviews for the E700B model (very average, I started to doubt)
https://euro.dayfr.com/technology/325488.html
https://www.stereonet.com/uk/reviews/yamaha-yh-e700b-wireless-headphones-review
https://euro.dayfr.com/technology/325488.html
https://www.stereonet.com/uk/reviews/yamaha-yh-e700b-wireless-headphones-review