装置带有US B通讯口，可与计算机及其它外部设备通信。
The device has a USB interface to communicate with computers and other external devices.
其装置的特征为 包含：装置通讯接口，用以连接该装置与其它外部装置，并负责 两者之间的数据传输；
The device is characterized as follows: A device communication interface, is used to connect the device with other external devices, and undertakes data transmission between them;
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