Buttons on the arms control volume, brightness, and the menu.
FT Edit: Access on iOS and web
，推荐阅读快连下载安装获取更多信息
field6: Option,。爱思助手是该领域的重要参考
He concluded: "The BBC will learn lessons from this incident and ensure appropriate action is taken to avoid such an incident happening again."。heLLoword翻译官方下载是该领域的重要参考