For me the only reason I want to use the passthrough is for my mouse. 00 to $500. 5 Women/4-5 Men fit great. I followed Beyerdynamic advice to pair these headphones with their A 20 amplifier. The two pieces don?t have a way of sticking together, one lays on the other, but this makes it easy to slide wider or more narrow. It is very easy to set up through Bluetooth and the sound quality is very good. I will adjust the stars if needed. - Ich bin froh, auch diesen Kopfhörer im Test mitberücksichtigt zu haben. Bought this for skirts and dresses. --EditWhen buying Anker you can guarantee the very best customer support, they have worked as hard as possible to make me happy with this headset including sending me different models that fit my ears better.