D Loop Soft Rubber Earhook Headset with PTT and Mic for Kenwood Two Way Radio TK-2107 TK-2160 TK-2207 TK-3107 TK-3160 TK-278 TK-310 TK-350 Zigzag Soft D Ring ear hanger , comfortable for long time wear; Large size speaker is built in, loud volume transmit; Mic is built in push to talk button, lapel clip is attached on the back of the button; Length from PTT to earpiece and PTT to radio connector are both 90cm. 360 degree rotatable metal clip;