The function of the USB module is to input some data from a USB mobile media where the signal of WLAN is not received.

考虑到有些场合没有无线网络的信号时，可以通过可移动USB介质导入一些静态数据到系统中；

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With the ability to fully charge in ten hours via the sun, or in seven hours by way of the Micro-USB DC input, BoostSolar includes a standard USB port for charging any of your mobile devices.

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For older models, the AC adapter provides power while also extended a USB input for plugging in via the back port.

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The KMC 3 keeps smartphones and tablets charged via a USB input and plays any non-Bluetooth music source through its 3.5mm input.

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