Beats by Dr. Dre Pro High-Performance Studio Headphones (Infinite Black) Bundle with Beats Cable with Microphone and Custom Designed Zorro Sounds Cleaning Cloth The Beats Pro Headphones are made to accurately reproduce audio, letting you hear the music as it was intended. Proprietary driver technology and materials are made to deliver accurate audio, and there's no amplification or noise cancellation circuitry to color the sound. No cheap plastic or frayed cords. Beats Pro headphones are made with an aluminum gun-metal frame with a black-matte anodized finish, encasing padded leather ear cups. The padding on the ear cups provide noise isolation without the need for power switches or batteries. The padded, adjustable headband fits virtually any head size, and is designed for hours of comfortable listening. The padded, adjustable headband fits virtually any head size, and is designed for hours of comfortable listening The input/output arrangement provides an extra port for plugging an additional pair of headphones into the Beats Pro so others can hear your mix. You could be listening to music, and somebody else could plug in another set of headphones, of any type, into the open 1/8" (3.5mm) jack on your Beats Pros, and listen along with you. The included cable features gold-plated 1/8" (3.5mm) TRS stereo mini plugs, and one end also has a threaded 1/4" TRS stereo adapter with an attached tether so you don't lose it or leave it behind at a gig. Having both plugs at your fingertips provides wide compatibility with a variety of consumer and pro audio devices.