The Sony WH-1000XM4 Bluetooth Noise Cancelling Headphones in Black offer premium sound quality and advanced technology for a truly immersive listening experience. With a driver size of 40mm and double earpieces, these headphones provide excellent audio performance. Featuring built-in noise cancellation technology, users can enjoy clear and uninterrupted music or calls. The sleek design with a headband form factor and wireless Bluetooth connectivity make them suitable for live monitoring and on-the-go use. The Sony brand guarantees high-quality performance, backed by a 1-year manufacturer warranty and more 2-years seller warranty in Portugal.