Sony WF-1000XM4 True Wireless Noise-Cancelling Headphones - stay focused on your music. Top-Class Noise Cancellation - Now Even Better! Sony’s new Integrated Processor V1, specially developed new drivers with improved performance, newly designed noise sensing microphones and innovative Noise Isolation Earbud Tips mean the WF 1000XM4 earbuds cancel out more noise than ever! Speak-to-Chat automatically pauses the music and lets in ambient sound so you can conduct a conversation - handy if you want to keep your headphones on when your hands are full. Hi-Res Audio Wireless The WF1000XM4 earphones support Hi-Res Audio Wireless thanks to LDAC. Even compressed music files are upscaled by Sony’s DSEE Extreme technology to deliver a richer, more complete listening experience. Long Battery Life Enjoy 8 hours of listening with noise cancelling on - with the charging case providing a further 16 hours. With noise cancelling off, it’s even longer - 12 hours of power on a full charge, with a further 3x charges from the charging case, for up to 36 hours of play time. Precise Voice Pickup Precise Voice Pickup technology, uses beamforming microphones and a bone-conduction sensor to allow the WF-1000XM4 microphone to pick up your voice clearly and accurately for hands-free calls - at home, in a café or wherever you are. IPX4 Water Resistance Wth an IPX4 water resistance rating, splashes and sweat won’t stop your Sony WF1000XM4 earbuds! Accessory List: WF-1000xm4, Charging case, USB Type-C cable Depth: 30 MM Height: 40 MM Width: 67 MM Battery Life (in hrs): 24 Bluetooth: Y Dongle Required: N Noise Cancellation: Y Wifi Enabled: Y Industry-leading noise cancellation*1 – now even better! The WF1000XM4 earphones support Hi-Res Audio Wireless thanks to LDAC. Even compressed music files are upscaled, with DSEE Extreme™ technology Speak-to-Chat automatically pauses the music and lets in ambient sound so you can conduct a conversation – handy if your hands are full On a full charge with noise cancelling on, the headphones offer 8 hours, with the charging case providing a further 16 hours. As an added bonus, with an IPX4 water resistance rating, splashes and sweat won’t stop the WF1000XM4 earbuds!