I wear a size 12 shoe. They are definitely not non-slip, as I almost killed myself walking over a metal grate the second day of wearing them. bq1943 adidas Typical Teva quality, which in my opinion is excellent. J’ai comparé ces écouteurs Bluetooth avec un casque circum aural Sennheiser HD-800 S et les intra IE 800 S. bq1943 adidas Not that the light show is awful, but its just very basic, which seems odd for a lighted speaker and is a let down in terms of what was hoped for. bq1943 adidas All in all, this product is really good quality and is definitely worth the buy. The design and comfort are very good for fitting over a teenagers ears, not sure for an adult though. A year and a half of use and no complaints bq1943 adidas Beautiful shoe and fits nicely. Noise cancellation mode worked very well, comparable to Apple
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