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The Sony WF-1000XM4 takes another step closer to release with Bluetooth SIG and FCC certifications; new MediaTek SoC with Bluetooth 5.2 onboard rules out aptX or aptX HD support - NotebookCheck.net News
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Sony WH-1000XM4: Leaked product listing confirms design changes, Bluetooth 5.0, and 40 mm drivers; no support for aptX or aptX HD expected though - NotebookCheck.net News
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