OTTO V1-10432 Listen-Only Earpiece Kit for OTTO Evolution, Profile & Storm Speakers. 2.5mm right angle plugWorks in conjuction with speaker microphones to provide private communications Listen only devices Earphone kits have lightweight earphone, rubber eartip and clothing cl..
OTTO V1-10433 Listen-Only Palm Mic Kit for OTTO Evolution, Profile & Storm Speakers. Listen only, 3.5mm Rt Angle Plug, with earbud Works in conjuction with speaker microphones to provide private communications Listen only devices Earphone kits have lightweight earphone, rub..
OTTO Profile Speaker Microphone, coil cord and 2.5mm earphone jack Housing fully sealed to meet harsh conditions like 40 mph blowing rain Durable design and construction to meet MIL-STD-810 specs Heavy-duty cable assembly with strain relief Earphone jack that accepts standard 2.5 mm pl..