The 3-3F2RCAM is a 20cm 3.5mm Stereo to Phono leaded adapter. 

With 2 male RCA jacks on one side and a female 3.5mm socket on the other it is ideal for converting a Phono to Phono cable into a Phono to 3.5mm cable. 

The pins are gold-plated for a higher quality connection while also providing anti-corrosion properties