Sennheiser PXC 550-II Wireless headphones features Smart Pause to react to your movements

Listen to music exactly where you left off with the Sennheiser PXC 550-II Wireless headphones. Featuring Smart Pause--technology that reacts to your movement--these headphones automatically turn on and play music when unfolded. Moreover, the Sennheiser PXC 550-II Wireless removes background..