The quality is insane! Got dirty very quickly as they are white. I generally wear a size 9, but many size 9s are too narrow, even though 9 wides are usually too wide. As other comments noted, the slipper somewhat uncomfortably narrow, even in size 8. Verarbeitung: Tolle Materialien, sehr hübsche Knöpfe. The products work very well. It connected seamlessly to my phone and the instructions couldn’t be simpler. I got this item as a replacement for the standard headset cable after the 3. The design is also slick and comfortable when worn not tightly. I recall many of the reviews I read stating that your device did not affect the volume so I was really disappointed in the output of this speaker.