Input: 3.5mm 3 Segment Female Output: 3.5mm 4 Segment Male Works with iPhone, iPod or iPad Length: 85cm approx. Colour: Black 2 year warranty Important:This adapter cable only works with Apple iPhone, iPod or iPad This adapter cable adds a microphone to your standard stereo headphones for use with an iPhone, iPod or iPad. There is also a volume control key and an Answer/Reject button to give you easy access to key features without having to touch your iPhone, iPod or iPad.