Replacement 1.2m Inline Remote Mic Microphone Cable for Bose QuietComfort 3 QC 3 QC3 Acoustic Noise Cancelling Headphones Compatible for Bose QuietComfort 3 Headphone Cable Length: 120 cm,as a standard audio cable,for connecting QuietComfort 3 headphones to your audio sources. Connect the replacement to the device with 3.5mm jack plug to bring you a clear voice connection. Mic only work on PC, iPhone, iPad, iPod, not work on Android phone Material: Rubber and metal wire.Socket type: 3.5mm