How many hours of battery life will the Sony WH1000XM3 provide?

Great Bluetooth headphones are no good if they can

Buy Sony WH-1000XM3 Wireless Noise Cancelling Headphones, Bluetooth Headset with Mic for Phone Calls, 30 Hours Battery Life, Quick Charge, Touch Control & Alexa Voice Control – (Black) Online at Best Prices

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Sony's Wireless Bluetooth On-Ear Headphones feature 30-hour battery life, on sale now for $45 shipped (Reg. $70+)

2019 Is the Year Wireless Headphone Battery Life Goes Nuclear

Buy Sony WH-1000XM3 Wireless Noise Cancelling Headphones, Bluetooth Headset with Mic for Phone Calls, 30 Hours Battery Life, Quick Charge, Touch Control & Alexa Voice Control – (Black) Online at Best Prices

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Sony WH-1000XM5 Wireless Noise Cancelling Headphones With Up to 30 Hours of Battery Life Launched

All-day listening with quality sound. High-quality sound and comfortable all-day listening in a wireless headphone. The WH-CH520 have an ultra-long battery life of up to 50 hours and a 3-minute quick charge gives you up to 1.5 hours of audio playback.

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Sony WH-1000XM3 review: Still an excellent ANC headphone