... SKYPE:karen-ying1 Two way radio walky talky heavy duty headset for Motorola GP328 and CP040 1, Noise cancelling boom microphone 2, High ... , PTT# 50 3, Ear cups with acoustic noise reduction material and comfortable gel ear pads 4, Behind the head metal band ... , Optional red PTT, mini XLR quick disconnected jack available intercom heavy duty headset for Motorola GP328 and CP040