J&D RCA to Aux Adapeter RCA to 3.5mm Female Cable, RCA Cable Gold Plated Copper
Bi Directional: 2 RCA or 3.5mm could all be the audio input; in another words, it both work from 2RCA to 3.5 mm and from 3.5 mm to 2 RCA. Composition: 3.5mm Female connector on one end and 2 Male RCA connectors on the other end.