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From: Chris <ithinkiam@gmail.com>
Newsgroups: comp.mobile.android
Subject: Re: Which uses less power
Date: Wed, 23 Oct 2024 17:24:05 -0000 (UTC)
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Bill Powell <bill@anarchists.org> wrote:
> 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."

Yeah, I guess once the speaker is functioning the additional minuscule
power required to move it microscopically more, barely registers.