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WF-1000XM4 Battery Drain : r/SonyHeadphones
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The Walkman Blog: Another Sony WF-1000XM4 battery failure
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Sony WF-1000XM4 Truly Wireless Noise Cancelling Headphone - Up to 24 hours battery life -Optimised for Alexa and Google Assistant-with built-in mic for calls, Black: Amazon.co.uk: Electronics & Photo
