... to GP338 mobile transceiver 1.With heavy duty kevlar reinforced wire 2.Clear sound effect,high sensitivity Handheld microphone to ... · Transmits and receives · Comfortable to wear for long time · With heavy duty Kevlar reinforced wire · Available for GP338,GP380, GP318, GP320, GP328, GP340 ... , PRO7450, PRO7550, PRO7750, PRO9150, PTX700, PTX760 Pictures: Handheld microphone for GP338 mobile transceiver