This directional microphone is another popular microphone with Listen users. It secures over the speaker's ears and wraps around the back of the neck. It has great-audio quality, is comfortable to wear and is good for extended use.
LA-278 Behind-the-Head Microphone Spec Sheet (201 kb, pdf)
LA-278 Behind-the-Head Microphone Manual (387 kb, pdf)
LT-700 Portable FM Transmitter Spec Sheet (238 kb, pdf)
LT-700 Portable FM Transmitter Manual (353 kb, pdf)