Wireless printers, keyboards, game controllers, speakers and headphones all use it.

无线打印机、键盘、游戏手柄话筒还有耳机，全都用到它。

Instruction manuals and technical documents, as well as printers, keyboards, and monitors are for users of English.

使用手册和技术文档以及打印机、键盘和显示器均适用于英语用户。