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Continue to Chat無線のイヤホン(Bluetoothイヤホン)を使う https://clasec.sono-sys.net/2017/10/%e7%84%a1%e7%b7%9a%e3%81%ae%e3%82%a4%e3%83%a4%e3%83%9b%e3%83%b3%ef%bc%88bluetooth%e3%82%a4%e3%83%a4%e3%83%9b%e3%83%b3%ef%bc%89%e3%82%92%e4%bd%bf%e3%81%86/