This is a cable with different connectors, depending on your headset. Pay close attention to whether this is the right one.   With this handy Bluetooth cable, you can change wired earbuds to Bluetooth earbuds in one fell swoop. They are suitable for the KZ A B and C Plug, but earplugs with universal MMCX connection are also supported. Connection Connections Type A - Pin KZ ZS3, ZS4, ZS5, ZS6, ZS7, ZSA and more Type B - Pin KZ ZST, ZSR, ED12, ES3, ES4, ZS10, AS06, AS10, BA10, ZST-X, EDX and more Type C - Pin KZ ZSN, ZSN PRO, ZS10 Pro, AS12, AS16, ZSX, ZSN PRO X, ZAX, ASF, ASX, DQ6 and more Type MMCX Pin Shure SE215, 315, 425, 535, 846 and more Uiisii BA-T9 Not sure about which cable you need? Take a look at the list above. Is your model not listed? Then take a look at the following page, which is always updated: Which connection do I need for my In-ear Earbuds/Monitors?