Idle bluetooth headset, connect 2 lines to change bluetooth speaker

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Idle bluetooth headset, connect 2 lines to turn into a big bluetooth speaker in seconds, the speaker can be used to attack and release the car [I love electrical appliance repair]

[@samchan2434]

實用👍不浪费!

[@frankzhang7867]

如何解決電池問題呢？？

[@robylynx407]

听最后一句话

[@koongy]

带三个音箱 功率不够～

[@dfhdrgwegfsss5531]

用你的方法，拆了一个耳机，结果输出只有1.5v，3w的音箱发出的声音很小

[@koongy]

只能带一个小音箱～多了不行！