+ The shipping was really fast, sent yesterday - today there!
+ Audio quality is fine for me, of course, not comparable with expensive branded products.
+ Volume is really good, you could just use it as a speaker.
Unfortunately I can not give 5 stars because of the points listed below.
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Production error in the processing, as not quite equal the product image from the actual product.
- Inside is a blue "synthetic fabric" as can be seen also in the picture, unfortunately, it is in truth not as tight as shown and it therefore depends "on" inside the ear when worn.
- At the outer edge of the headphones or inside the synthetic leather, the seam is open, so that the inner foam can be seen. Will probably be a production mistake.
- Similarly, the adjustment for the size snaps not [only on the right side]. Thus, we can not use these headphones, as this page is always slipping.
- Wackelkontankt to the audio jack
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!!! Update !!!:
After I published this review and written customer of CSL, these have refunded me the purchase price and shipped a replacement product. -> Service TOP! Because of the services I have increased the rating from 1 to 4 stars.