飛行�?BLUETOOTH イヤホン - AN OVERVIEW

金属棒を振動させることで音を発生させるドライバー。高い解像度や細部の再現性がありますが、低音域の再生が苦手です。The "Bluetooth" name is taken from the tenth-century Danish king named Harald Bluetooth, who was reported to unite disparate, warring regional factions.Made in 1994, Bluetooth was in