Audio & Video Cables & Adapters
beyerdynamic DT-240 Pro Cable
beyerdynamic DT-240 Pro Cable, Connector Cable, For beyerdynamic DT-240 Pro, 3.5 mm Stereo jack, Coiled cable, Length: 1.2 m, beyerdynamic Nr. K 240.07, Includes 6.3 mm jack adapter
https://www.bizrate.co.uk/audio_videocables_adapters/beyerdynamic-dt-240-pro-cable-oid13420749266.html