Beats by Dr. Dre Studio 2.0 Over Ear-Headphones B0500, Glossy Black ——- Contents: Headphones, Audio Cable, USB cable, USB Power Adapter, Hard Carrying Case, Manual, retail box. NEW Opened Box Condition. ——- Completely redesigned, the Beats Studio over-ear headphones are even lighter, stronger, more comfortable and more precise than the original world-famous design. They deliver powerful, re-engineered sound alone with Adaptive Noise Canceling, a 20-hour rechargeable battery, and remote talk controls. Adaptive noise canceling automatically s