After a few weeks of leaks, Sony has today formally announced its latest flagship true wireless earbuds. The new WF-1000XM4 earbuds cost $279.99, and the previous WF-1000XM3s, released in 2019, will remain in the company’s lineup at $229.99. The new headphones will be available in either black or light gray — both with gold accenting. They’re available starting today from retailers including Amazon and Best Buy.
Featuring a completely revamped design that’s 10 percent smaller than their predecessors, the 1000XM4 buds also have a new processing chip that results in improved noise cancellation “at all frequencies,” according to Sony.
Battery life has been upped to eight hours of continuous playback when…