SONY WF-1000XM4

-Achieves the industry's highest class noise canceling.

-40% improvement compared to WF-1000XM3.

-Integrated processor V1, evolved 6mm driver, improved noise canceling performance with new earpieces 'Complete wireless earphones World's first LDAC compatible.

-Also supports 360RA.

-Achieves overwhelmingly high sound quality.

-Greatly enhanced call performance.

-Advanced audio signal processing with 4 microphones and sensors.

-Improved wearability to the ear.

-Drip-proof performance with IPX4.

-Integrated processor-V1 improves connection stability

-Improved battery performance. Body battery 8 hours

・ Case charging 12 hours, total 24 hours.

・ Also supports separate charging from smartphones.