To sum it up, USB Port Locked is a bit far from being a professional security application of its kind.

概括起来，USB端口锁定是有点远不是同类专业的安全应用程序。

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However, applications such as USB Port Locked promise to do exactly what the name suggests, offering that extra protection you need.

然而，应用程序，如usb端口锁定的承诺，做的正是顾名思义，提供你需要额外的保护。

youdao

Aside from being an on the go smartphone defibrillator, the Reactor adds a micro USB port to your iPhone 5, freeing it from being locked into using Apple's proprietary Lightning connector.

ENGADGET