15' 15 FT FOOT 1/8" 3.5MM MINI PLUG HEADPHONE EXTENSION CABLE 12 Brand New. 15-foot stereo extension cable with gold connectors. Standard 3.5mm male plug at one end, standard 3.5mm female jack at the other. Gold connectors for best quality. This is the standard size used for computer and laptop speaker jacks, and also for headphones, MP3, iPod, etc.