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From: Bill Powell <bill@anarchists.org>
Newsgroups: comp.mobile.android
Subject: Re: Which uses less power
Date: Wed, 23 Oct 2024 14:33:31 +0200
Organization: Hispagatos.org
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On Wed, 23 Oct 2024 04:06:12 +0200 (GMT+02:00), Qihe wrote:

> They say: "The results show that playing back audio over Bluetooth
>  consumes essentially the same amount of power as playing back
>  audio over speakers or headphones with Bluetooth turned
>  off".

Thank you for that test article which tested exactly the questions asked.
https://www.androidauthority.com/does-bluetooth-drain-battery-1145853/

"Does turning Bluetooth off save battery?
Does using Bluetooth headphones drain battery?
How much battery does Bluetooth use?"

"The results show that playing back audio over Bluetooth consumes
essentially the same amount of power as playing back audio over speakers or
headphones with Bluetooth turned off. On average, our devices recorded just
a 0.2% increase in power consumption when playing back audio over
Bluetooth. So, well into the margin of error territory. "

It was interesting they said "The louder you listen, the greater the
savings become."