Sony WF-1000XM4 Wireless Noise Cancelling Earbuds: Black

・Other improvements: ・Equipped with IPX4 splash-proof performance. Enjoy music without worrying about rain or sweat. ・Improved connection stability with the integrated V1 processor. ・Improved battery performance. 8 hours of battery life on the main unit, 12 hours with the charging case, for a total of 24 hours. Supports sharing charging from smartphones. ・Significantly enhanced call performance. Advanced audio signal processing is performed with four microphones and sensors. ・Improved fit in the ear. An ergonomic surface design increases the contact area compared to previous models, achieving stable fitting. ・Significant improvement in noise cancellation performance. Achieves top-class noise cancellation in the industry. Significantly improved compared to WF-1000XM3. Wind noise is also significantly reduced. Improved noise cancellation performance with the integrated V1 processor, advanced 6mm driver, and new ear pieces. ・Supports LDAC. Supports 360RA. Delivers overwhelming high sound quality. ・Charging time: approximately 1.5 hours ・Utilizing data on ear shapes from various countries owned by the company, a shape design has been achieved that interferes less with the contours of the ear. This achieves a holding method where the earphone body is supported by the contact surface inside the ear, conforming to the shape of the ear. Furthermore, the noise isolation ear pieces provide holding power in multiple directions, resulting in higher fitting stability and a comfortable fit.

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device's requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.