Sony WF-1000XM4 Wireless Noise Cancelling Headphones Discover the WF-1000XM4 earphones that combine the most advanced noise cancellation with outstanding audio performance and customized, smart features that adapt to the environment, giving a massive 30hrs of playtime on a single charge. Integrated Processor V1 Our new Integrated Processor V1 takes the noise cancellation performance of our outstanding QN1e processor and pushes it even further. Improved noise cancellation and Bluetooth ‘System on Chip' technologies give the highest level of noise cancellation in the industry while using less power. Active Noise Cancellation You'll be completely submerged even on windy days. Active Noise Cancellation (ANC), an industry leader, provides a tailored, almost soundproof experience in every environment. Outstanding sound quality The WF-1000XM4 now supports High-Resolution Audio Wireless. Despite their small size, they generate a powerful sound thanks to specially built 6mm drivers, and the high compliance diaphragm reproduces a rich bass range. Voice Assistant Alexa, Google Assistant, and Siri are built-in voice assistants that provide access to music, information, and more. With a single touch, you can turn it on. Detects speech vibrations to improve clarity A bone-conduction sensor only picks up vibrations from your voice, not ambient sound, allowing for even crisper pronunciation during phone calls. Ideal for TV shows, films, and more Are you using your smartphone or tablet to watch videos? The WF-1000XM4's sophisticated wireless connection syncs what you see on screen with what you hear on your headphones for a more enjoyable viewing experience.