还有些外部设备，包括 USB 端口、蓝牙，某些型号上还有读卡器。

There are also some peripheral attachments available, including USB ports, a card reader on some models, and Bluetooth.

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本公司是一家专业设计生产和出口的公司，产品主要有US B集线器，读卡器和其他相关电脑周边产品，包括移动硬盘盒，PCI卡，蓝牙等。

Our company specializes in designing, manufacturing and exporting computer peripherals such as USB Hubs, card readers and other related products include HDD Enclosure, PCI card, Bluetooth, and so on.

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