KENMAX 2 Pin G Shape Earpiece Headset with PTT MIC for Walkie Talkie ICOM IC-F10 IC-F20 IC-F11 IC-F11S VERTEX VX510 VX200 VX500 Package Includes : 1 X 2 Pin Earpiece Headset for ICOM Radio Two-pin standard diameter: Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin). Mic clips easily to clothing; over-the-ear receiver is non-invasive and hygienic. Soft advanced G Shape Soft Ear Hook Earpiece that fit comfortably when wearing, can be on either ear. PU Wire cable for greater durability provided clearly transmit voice in extreme noise situations