Communication to the light controller is through a USB COM port.

该光源控制器通信是通过一个USB的COM口。

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The light purple pen opens in the middle to reveal a 4gb USB key.

从浅紫色笔杆的中间打开，便会看到4gb的usb记忆钥匙。

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In green tech news this week, Voltaic unveiled a new waterproof LED touch light that can be powered by any USB source.

ENGADGET: blogger-avatar

More than just supplying a battery-free source of light, though, the lantern can function as a charger, thanks to a USB port built into the casing.

ENGADGET: Green House's lantern runs on salt and water, powers your gadgets via USB

Inputs and Outputs: The tablet will allow connection to a digital light projector for presentations using HDMI or VGA through a separate adapter, and also supports a full USB 3.0 connection for virtually any peripheral.

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