Eli5: why do wired headphones that plug into your phone never need to be charged but wireless ones do? Submitted by exmxn t3_122nz1z on March 26, 2023 at 2:33 PM in explainlikeimfive 18 comments 0
AgentOfASignal t1_jdr70m8 wrote on March 26, 2023 at 3:35 PM Because they're taking power from the phone through the headphone port. Speakers that take external power do so because the headphone port can only supply a certain amount of power. Permalink 1
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