Sony ULT Black Wireless Headphones :: WHULT900NB.CE7 (Unclassified > Unclassifi

Introducing WHULT900N: Featuring huge, powerful bass, next-level clarity, and seriously impressive noise cancelling. Hit the ULT button for two unique sound settings: Deep Bass, which adds huge resonating depth to the lower frequencies, and Attack Bass, bringing impressive drive and energy to the music. Thanks to its Noise Cancelling and Ambient Sound modes, you can use the WHULT900N wherever you are, and all day long, with up to 30 hours battery life. Connect ULT Wear to two devices at the same time us... - Manufacturers part number: WHULT900NB