There’s a built-in stereo microphone for use with your video, plus a mike jack.

内置的立体声麦克风和扩音器，能帮你在摄制影像的时候，耳听八方。

youdao

Technology blog Engadget is also reporting that the Courier will also have built in camera and a headphone jack for media playback.

科技博客engadget也报道Courier将配有摄像头和耳机插孔以便于媒体播放。

youdao

The house that Jack built ended 2009 by selling a controlling stake in its NBC Universal entertainment unit to Comcast, a deal that valued the new entity at billion.

2009年年末，这家杰克? 韦尔奇创办的公司其下属娱乐公司——NBC环球的控股权卖与康卡斯特公司，此项交易对新NBC环球的估值为370亿美元。

youdao

The Roku 3 enhanced remote features a built-in headphone jack for private listening with the included in-ear headphones.

ENGADGET: Roku 3 goes on sale tomorrow for $99 with upgraded CPU and a new UI

The card comes with a built-in speaker and a jack for headphones.

FORBES: Magazine Article

Oh, and while there are Virtualphone built-in, there's also a headphone jack, so you can bring your own pair.

ENGADGET: Sony HMZ-T2 3D display, heads-in (video) HD