※ Also listed on other flea market apps. This listing will be deleted if sold there. Acoustune ARM011CM Pentaconn Ear Long - 3.5mm 4-pole with microphone I bought this because I wanted to use the microphone with SENNHEISER's ie100pro, but I'm not using it, so I'm selling it. Operation confirmed. Works without any problems. No packaging. The connection part with the ear monitor has a slight scratch from a fingernail. Regular price: ¥5,480 Quoted from the product description of the shop where I purchased it: ・Compatible with Acoustune RS ONE, RS THREE ・Compatible with iOS/Android ・Can answer calls, play/pause music, control volume, and activate smartphone voice recognition functions. * Operation may vary depending on the model of your smartphone.