"Most premium headphones feature gyroscopes or motion detection systems that enable their wear detection capabilities. Wear detection pauses audio content when the headphones detect that you've removed them from your head, and resumes content when you put them back on. Apple's AirPods Max and Bose's QC Ultra 2 perform this feature best by pausing content when you remove the headphones and disconnecting them from your phone's Bluetooth. This allows you to switch audio from the headphones to your phone without pressing a button."
"Both headphones enter a low-power mode when idle for a specified period. Also: I wore the best headphones from Sony, Bose, Apple, and Sonos: Here's how the AirPods Max wins However, Bose's QC Ultra 2 enter a low-power state faster than Apple's AirPods Max, and you don't need to put them in a case to achieve it. Simply lay the QC Ultra 2 flat -- earcups face-up or face-down -- and they'll begin conserving battery."
"Battery life and power management are crucial yet overlooked strengths, but they've always been Bose's weaknesses. Its 2019 flagship headphones, the NC700, delivered about 20 hours of battery life, and its 2023 QuietComfort Ultra headphones maxed out at 24 hours. Review: Bose QuietComfort Ultra Headphones (Gen 2) Bose's latest QuietComfort Ultra Headphones (2nd Gen) borrow one of the AirPods Max's best power management features -- but execute it better. Although the new headphones' expanded 30-hour battery capacity is great, their efficiency is more valuable."
Battery life and power management have historically lagged at Bose, with the NC700 offering about 20 hours and the 2023 QuietComfort Ultra reaching 24 hours. The QuietComfort Ultra Headphones (2nd Gen) increase capacity to 30 hours and prioritize efficiency through a novel low-power feature. Wear-detection pauses audio and disconnects Bluetooth so audio can switch to a phone automatically. The headphones enter a low-power state faster than AirPods Max and begin conserving battery when laid flat, without needing a case. AirPods Max retain Find My compatibility, which requires remaining powered to enable location tracking.
Read at ZDNET
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