iMBAPrice 2 RCA Female to 1 3.5mm Stereo Adapter [1 Pack] Connectors: 2 x RCA(F) -to- 3.5(M) Allows 3.5mm devices to be hooked up to an RCA output Use this to hook up a MP3 or phone to the RCA cables for a speaker system Works best with iMBAPrice RCA products Pack of 1