DCI Funkyfonic Headphones for 3.5mm Socket - Retail Packaging - Blue Dual audio jacks on each headphone allow two people to connect with a standard 3.5mm audio cable Reversible earcup design for easy single-sided monitoring Adjustable head piece for best fit Includes a 6.3mm (0.25-inch) stereo plug for use with a wider range of audio devices Integrated cable control adjusts volume and is also a microphone