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Sony WF-1000XM4 Version 2.0.0 is out! This software update adds simultaneous connection of 2 devices to the headphones : r/sony
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Sony WF-1000XM4: Latest firmware update may worsen battery life for some earbuds - NotebookCheck.net News
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Amazon.com: Sony WF-1000XM4 Industry Leading Noise Canceling Truly Wireless Earbud Headphones with Alexa Built-in, Black : Everything Else
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Amazon.com: Sony WF-1000XM4 Truly Wireless Noise Cancelling Headphone - Optimised for Alexa and Google Assistant - with Built-in mic for Calls - Bluetooth Connection - Black/Copper : Electronics
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