Foxnovo&reg;1M 3.5mm Male to Female Stereo Headphone Audio Extension Cable Cord with Volume Control (Black) Brand: FOXNOVO. Color: black. Material: hard plastic and copper wire. Cable length: about 1m. Connectors: 3.5mm male to 3.5mm female. Specially designed to extend the distance from your iPod, MP3 player to any audio output / speaker devices. The extension cable is great for stereo headphones, speakers, microphones, etc. With a volume control, for convenient to adjust the volume.