**********The earpiece is made of durable PU material*****Walkie talkie earpiece headset with good performace for both listening and talking, prevent distortion of sound No distortion, attenuation or frequency jumps*****Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily*****Big size PTT and wearing gloves does not affect the key operation*****Compatible with the Motorola PT580, PD700, PD702, PD752, PD780, PD782, PD785 radio etc