Key Features

• Ultra-high performance sound in a headphone, with focused details, full high-fidelity and rich, deep bass
• Active Noise Canceling technology eliminates the distractions of the outside world (two AAA batteries included)
• Polk Audio's exclusive Optimized Active Tuning works in tandem with ANC technology to improve the overall performance dynamics of UltraFocus headphones. When the ANC system is engaged, Optimized Active Tuning adjusts the frequency response of UltraFocus headphones, tuning out disruptions and tuning in better headphone performance.
• The Passive Noise Isolation technology of the padded, over-ear design comfortably surrounds each ear to naturally minimize outside distractions.
• Superior materials technology, including durable stainless steel, carbon fiber, and comfortable contoured padding, for years of extraordinary performance on the go, anywhere.
• Active Dynamic Balance driver is a lightweight, durable thermoplastic polymer with micro-fiber damping in a sealed micro-enclosure. It's tuned and fitted to eliminate resonances, and provides optimal damping for smooth, extended frequency response.
• Easy-to-Reach on-ear Apple product controller features tactile indicators, for on-the-fly audio and phone control without breaking your stride.
• Push-To-Hear Ambient Control instantly mutes headphone audio and amplifies exterior human voice frequencies, so you can interact with the outside world without removing your headphones.
• Three-way cable performance enhancements: Ultra-flexible flat planar audio cable eliminates cable tangle. Oxygen-free cable technology enhances audio conductivity for stellar sound quality. Easy local disconnect allows more freedom of movement in tight spaces.
• StrainGuard™ cable core technology with gold-plated connectors and computer-designed transitional connections eliminates cable failure.
• Perfect Fit Headband is computer optimized to eliminate pressure points and ensure a comfortable, secure fit.
• Multiple gold-plated connectors, including a right-angled 3.5mm connector that fits all i-gadget cases, and a ¼-inch connector for home audio system connections.
• Also includes Skype Adaptor, Home Audio Receiver Adaptor, Airplane Adaptor with specially designed attenuator to optimize airline system performance. Durable, cushioned carrying case included.
  Extra-long battery life: 50 to 60 hours with normal ANC usage. Easy to see blinking low battery indicator. (Two AAA batteries included.)