I found this seller on ebay for the fidelio x3s and wondering if anyone has bought from them/if this seller is legit.

https://www.ebay.com/itm/175846205505?chn=ps&_trkparms=ispr%3D1&amdata=enc%3A1qEZNVElxS9-0hpWqQLTI7A9&norover=1&mkevt=1&mkrid=711-166974-028196-7&mkcid=2&mkscid=101&itemid=175846205505&targetid=2203075058622&device=c&mktype=pla&googleloc=9060222&poi=&campaignid=19906266395&mkgroupid=144884650982&rlsatarget=pla-2203075058622&abcId=9310460&merchantid=107422794&gclid=CjwKCAiAvJarBhA1EiwAGgZl0NW7OOrj5gs0meVOytUXxV-2L1gBpVE19bDLcasasc6FgFpHwfTNdxoCjuEQAvD_BwE