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1 Wire Discreet Earpiece (Black) for use with GP Series Operation: Receive only PTT: NA Vox capability: NA Extra Vox-Switch on PTT: NA Intrinsic S...

2 Wire Earpiece with Mic & PTT combined (Beige) for use with GP Series Operation: Receive and transmit PTT: PTT on mic Vox capability: Yes Ext...

1 Wire Discreet Earpiece (Beige) for use with GP Series Operation: Receive only PTT: NA Vox capability: NA Extra Vox-Switch on PTT: NA Intrinsic S...

Mag One Remote Speaker Mic with Omnidirectional Mic for use with GP Series Audio Jack: No Emergency Button: No Volume Control: No Noise Cancelling...

2 Wire Earpiece with Clear Acoustic Tube for use with GP Series Operation: Receive and transmit PTT: PTT on mic  VOX: No Extra Vox-Switch on PTT: ...

2 Wire Earbud with Microphone & PTT Combined for use with GP Series Operation: Receive and transmit PTT: PTT on mic Vox capability: No Extra V...