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OTTO 3.5mm Listen Only Earpiece, Public Safety Grade
OTTO 3.5mm Listen Only Acoustic Tube Earpiece, Public Safety GradeOTTO Public Safety Grade 3.5mm listen only earpiece (earphone) for use with speaker (shoulder) mics with a 3.5mm earphone jack. Ideal for police and military. OTTO is tough, reliable and trusted by thousands of troops, law enforcement...
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