The device's default behavior when connected over USB is to serve as a mass storage device.

在通过USB进行连接时，这个设备的默认行为是作为一个大容量存储设备使用。

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Introduce the USB device genus (Mass Storage) and how to realize the USB interface in the embedded system.

介绍US B设备类(以海量存储类协议为主)以及如何在嵌入式系统中实现USB接口。

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USB communication port for connection to storage device and battery charging.

USB通信端口连接到存储设备和电池充电。

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This allows users the opportunity to upgrade or replace a current USB storage device that is connected to the Wii U Console.

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MediaPlay pairs seamlessly with the Belkin router's built-in media server function that turns any USB storage device into a network storage device.

ENGADGET: Belkin outs AC1800 and AC750 dual-band routers, USB WiFi adapter at CES 2013

With it, students can turn their iPod or iPhone into a backup USB storage device to insure they have the documents and media they need everywhere they go.

FORBES: Magazine Article