Plug your headphones into a variety of players and devices with this Insignia headphone expansion kit. It includes an audio cable with a 3.5mm male end and a 3.5mm female end, as well as a 1/4″ male to 3.5mm female adapter and a 3.5mm female to 1/4″ male adapter. The 3.66-metre (12-foot) length of the cable makes it easy to reach stationary devices.