German audio company Sennheiser on Monday launched Sennheiser PXC 550 Wireless headphones for high-quality sound at Rs 29,990.A perfect travel companion, the PXC 550 Wireless delivers Sennheiser's renowned high-quality sound and up to 30 hours of battery performance."With the PXC 550 Wireless, we have crafted a premium headphone that brings Sennheiser's leadership in high-quality audio to address the travel needs of the most demanding set of customers,” said Kapil Gulati, Director, Consumer Segment, Sennheiser in a statement.The device can automatically pause music and calls when the headphones are taken off.Sennheiser's NoiseGard hybrid adaptive noise cancellation ensures uninterrupted listening by seamlessly monitoring and adapting to ambient noise levels -- whether on a plane, train or a noisy street.Even with the NoiseGard hybrid adaptive noise cancellation engaged, the PXC 550 Wireless can span the world on a single charge.The PXC 550 Wireless is available at Sennheiser e-store.