This is the BLUE CENTURY W023 model earphone microphone, which comes with a clip-on microphone and ear tips. - Brand: BLUE CENTURY - Model: W023 - Accessories: Ear tips - Microphone Type: Clip-on microphone ● The 360-degree rotating clip allows you to choose an easy-to-attach position. ● The PTT switch and microphone are integrated, so you can communicate by simply pressing the PTT switch on the earphone microphone without holding the main unit. VOX (hands-free) is not supported. Cord Length [From jack to clip-on microphone] 93cm [From clip-on microphone to earphone] 53cm This earphone microphone is compatible with models with a 1-pin waterproof screw-in plug (3.5mm jack diameter) from Standard, ALINCO, and Icom. Thank you for viewing. I opened it, but the size didn't fit, so it's unused.