Sony WH-1000XM4 headphone leak hints at even longer battery life

They look the same, but could last longer
Sonys WH-1000XM4 wireless noise-canceling headphones.
Image: Everton Favretto (@evefavretto)
These are the first images of Sonys WH-1000XM4 wireless headphones; the hotly anticipated followup to the companys belove…
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