Talk and listen without reaching for your radio with Motorola External Speaker with Mic.External Speaker with Mic works your existing walkie-talkies. User attaches the remote speaker microphone to a shirt collar to keep volume near your ear and mouth piece handy for quick responses. Conveniently located push-to-talk button. Durable spring loaded clip rotates for easy use on right or left side. Coiled cable expands 23–70".