Sony Wireless Noise-Canceling Earphones WF-1000XM4: Fully Wireless, Built-in Amazon Alexa, Bluetooth, LDAC Support, 8 Hours of Continuous Playback

Other improvements: - IPX4 water resistance. Enjoy music without worrying about rain or sweat. - Integrated Processor V1 improves connection stability. - Improved performance. 8 hours of battery life on the device and 12 hours on the charging case, for a total of 24 hours. Supports shared charging from your smartphone. Significantly improved call performance. Advanced audio signal processing using four microphones and sensors. Improved fit to the ear. The ergonomic surface design increases the contact area for a more stable fit. Significantly improved noise cancellation. Industry-class noise cancellation. Significant improvement over the WF-1000XM3. Significant reduction in wind noise. Integrated Processor V1, improved 6mm drivers, and new earpieces improve noise cancellation performance. LDAC compatible. 360RA compatible. Delivers exceptional sound quality. Charging time: approximately 1.5 hours Utilizing our own data on ear shapes from various countries, we have created a shape that is less likely to interfere with the contours of the ear. The earphones conform to the shape of your ears and are supported by the contact surface inside the ear. Furthermore, the noise-isolating earpieces provide multi-directional support, resulting in a more stable and comfortable fit.