Selling new in unopened box (still in factory wrapping) red beats studio - got as a gift and already own a set.
Includes one year manufacturer warranty.

FEEL YOUR MUSIC: The Beats Acoustic Engine makes your listening experience intimate, personal, and real. Our signature DSP software is designed to generate an emotional experience.
LIGHTER, STRONGER and MORE COMFORTABLE: We streamlined the Studio and shaved 13 percent off the original weight and gave it a lighter, stronger, and more comfortable headband. Softer ear cups and an ergonomic bellow to create a flexible, custom fit.
NO BATTERIES: The New Beats Studio has a 20-hour rechargeable battery. To prevent wasting energy, Auto On/Off feature turns off when you unplug, Displays visible Battery Fuel Gauge. Can be charged via micro USB.
MUTE: Silence the noise from your daily commute or the drama from your loud neighbors with our no-compromise dual-mode Adaptive Noise Canceling. ANC automatically strikes a balance between your music and the world outside.
WHAT'S IN THE BOX: Beats Studio headphones, USB 2.0 charging cable, USB wall adapter,3.5mm audio cable, Remote Talk cable, Hard shell carrying case, Beats cleaning cloth, Quick Start-Up Guide

See reviews in Amazon:
http://www.amazon.com/dp/B00E9263A6/ref=twister_B00EDQNBYO