One feature I'm happy to see is the headphone jack on the left side, just above the volume control rocker.

我最喜欢的功能就是机身左侧的耳机插孔，就在音量控制键上面。

youdao

It points to the row of small holes on the left side that replaced the headphone socket present on the iPhone 6s and claims that drilling into the second hole on the left reveals a hidden socket.

手机左下方有一排小孔，正是iPhone 6s耳机接口所在的位置。视频称电钻左侧第二个孔可显示出隐藏的耳机插孔。

youdao

Rounding out the top of the DNA, the power button is flanked by a micro-SIM tray on the right and 3.5mm headphone jack on the left.

ENGADGET: HTC Droid DNA review Mobile

Overall, its port selection is quite generous: USB 3.0, an Ethernet jack, VGA, HDMI and a headphone connection line the left side, while the right edge is home to that disc drive along with two USB 2.0 ports.

ENGADGET: Hands-on with Sony's touch-enabled VAIO T14 and T15 (video)

On the left is the 3.5mm headphone jack and on the right, the Lightning connector.

ENGADGET: iPod nano review (2012)