Retractable Cable, 3.5-mm Stereo Male to Female Retractable Cable, 3.5-mm Stereo Male to Female Extends up to 48" (121.9 cm). Connects your MP3, iPod, CD, portable DVD player, or even your laptop to the auxiliary input jack of a TV or stereo. Extends from both ends. Simply pull out to use. Pull again and it retracts back into the compact 2" housing. Puts an end to long tangles of stereo cords.