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Sony WF-1000XM4 are premium wireless earbuds with long battery life, class-leading noise-cancelling | What Hi-Fi?
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30 Minutes of Battery Life? Planned Obsolescence? The left ear dies first. (Sony WF-1000XM3 : ANC: off, EQ: on, DSEE HX, Auto) : r/headphones
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Amazon.com: Sony WF-1000XM3 Truly Wireless Noise Cancelling Headphones with Mic, up to 32 Hours Battery Life, Stable Bluetooth Connection, Wearing Detection with Alexa Built-in - Black : Electronics
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