The seller said they fit my Sony WH1000MX4 headphones. Protocol. (At this point the headphones were on the table. I tried putting them on the headphones several times but to no avail. Then I tried putting them on just before I put the headphones on. It hurt a lot from that Level of compression from undersized cases I contacted the seller They asked for proof that they are not properly seated I don't think a photo of cases partially removed would be proof Yes they are oval shaped like my Sony headphones. But these cases are about 2-2.5mm smaller than my real headphones. While this might seem like a small difference, the difference in size is actually significant. And size is very important when you put cases over these headphones. No try to stretch them will work. I found them really well made and with quality material. I have 1000MX3 installed so can't compare them.
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