D-ring Earpiece With 40" Cord And 3.5 Mm Connector For Any Radio Or Remote Microphone With A 3.5 Mm Earphone Jack. The Shield D-ring Listen Only Earpiece Uses A Miniature Speaker That Fits Comfortably Over Either Left Or Right Ear. Especially Useful In Noisy Environments, This Very Popular Is In Used With Emergency Service Personnel. Since Nothing Inserts Into The Ear, It Offers Safety As Well As Improved Hygiene When It Is Necessary To Share Earphones. The Shield Has Kevlar Threads In The Cord And A Water Resistant Speaker Housing Allowing For Use In Many Diverse Environments. Available With A 40" Cord That Plugs Into Your Radio Or A Short 14" Cord That Plugs Directly Into Our Heavy-duty Speaker Microphone. Connectors Include A 2.5mm, 3.5mm And 3.5mm Threaded Connectors.