Allows you to connect your TRRS (4-pole) 3.5mm microphone connector to a standard TRS (3-pole) stereo jack (Cameras, Recorders, etc) Impedance-matched TRS cable Gold-Plated Connectors 1-Year Warranty with support based in the U.S.A. The Movo MC4 is designed to allow you to connect a TRRS 3.5mm microphone to standard TRS 3.5mm jack. It features gold-plated connectors, impedance-matched cable, in addition to shielded construction. Includes a 1-Year Warranty with support based in the U.S.A. Specifications Input - One 3.5mm TRRS Mic Input Output - 3.5mm TRS Jack Total Length - 5" (13cm)