2つ折りたたみキーボードAM021 1. ユーザーマニュアル [PDF形式] 2.使用方法の動画 PausePlay% buffered00:0000:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality720pSpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.75×PIPDownloadExit fullscreenEnter fullscreenPlay
