Wired earphones (with microphone). Used for call and streaming tests. Operation has been confirmed, with no issues in left/right audio or microphone. After use, they have been wiped clean with alcohol. There are no noticeable stains or disconnections, but as they are used items, please refrain from purchasing if you are concerned about minor details. Compatible with 3.5mm jacks. The conversion adapter shown in the photo is also included. Only those who understand that these are used items and have been personally stored, please consider purchasing.