The item is a 1m 3.5mm Male to Male audio extension cable, which is suitable for almost all digital devices with 3.5mm-plug such as iPhone, iPod, computer, cellphone, MP3, PDA, etc. It is a 3.5mm-plug headphone extention cable for extend the way you hook up and listen to your music. It also can as an audio output cable, to let you enjoy the audio from you devices with an AUX-in port. With a built-in microphone and control button, you can use a common headset connecting it for making phone call and listening to music. Therefore, it is really a wonderful gadget for choice. Features - Color: White - Material: copper and PVC - Size: 100x3x0.3cm - Connectors: 3.5mm Male port to 3.5mm Male port. - and 3.5mm Male to Male AUX Audio Cable Headphone Extension Cable. - Suitable for almost all digital devices with 3.5mm interface, such as iPhone, iPad, iPod, cellphone, speaker, PDA, car MP3 player, etc. - This audio extension cable has a control button and volume button, which can be used answer/end phone calls, stop and play music, choose next and previous songs. - With a built-in microphone, it can be connected with a headset for making phone call and listening to music. - If your vehicle's stereo has an aux-in port, then use the 3.5mm stereo audio aux cable to listen to MP3 or internet radio from your cell phone, PDA, or MP3 player in your car. - Also can act as a headphone extension cable to expand the way you hook up and listen to your music. - Enable you enjoy your music conveniently with this extension cable.