First class travelling. The Sennheiser PXC 550 Wireless turns every journey into a first-class experience. A truly smart travel companion, it offers Sennheiser's renowned high-quality sound and NoiseGard hybrid adaptive noise cancellation in a sleek foldable design. An intuitive, ear cup-mounted touch control panel and voice prompt system allow for a convenient selection of settings. With up to 30 hours of battery life, the PXC 550 Wireless lets you travel around the world in comfort on a single charge.