PSB M4U 8 Wireless Active Noise Cancelling Bluetooth HeadphonesAs PSB’s first wireless headphone to have Active Noise Cancelling, the M4U 8 drowns out the unwanted noise around you, leaving only the music you love. Featuring PSB’s renowned RoomFeel technology, the M4U 8 adds layers of vivid realism to your favourite recordings. Designed to go wherever you and your music go, the PSB M4U 8 will enrich your travels with clear, crisp sound.Behind RoomFeel technology.Created to deliver the warm, natural sound of a live performance, RoomFeel technolo