New Sony WH-1000XM4 headphones could have 40-hour battery life

New Sony WH-1000XM4 headphones could have 40-hour battery life

Sony’s WH-1000XM3 wireless noise-canceling headphones are a bestseller, but they’re due for an update. Now, we have some clues about what to expect from the next version of the headphones. A filing with the Brazilian telecommunications agency, Anatel …❗️ read more