The cables work perfectly. If you are looking for a cheap set of optical audio cables, this is it. All the reviews talking about poor sound quality probably shouldn't have bought the cheapest cables they could find on the market, I mean, well. If you have an optical connection and need sound, this is for you. It's an optical connection so it'll already be better than most, but yeah I'm sure a very picky person can find fault, but if you're that picky read my comment about not getting the cheapest buy cable. .Mine also came up with this suspicious device that I shouldn't connect to my computer. Just kidding, this is a very handy flexible USB light! It's free! Plug it into your laptop and you'll instantly have a keyboard light when you need it. Plug it into the charging box and you'll have light wherever you need it. I am very happy with this purchase. I got 2 decent optical cables at a lower price than most other individual cables and they contained great free light.
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