Zigzag D Loop Earhook Earpiece Mic Headphone with Push to Talk Button for Motorola Portable Radio DTR410 DTR550 DTR610 DTR650 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;