Relax and perform thefirmware updatewithout anyinterruption. The interface is stable, and the transmissionis more reliable. The set-top boxcan beupgraded without losing connection. Plug-and-play deviceconnected to thecomputer The device can be extended to any desired location via a USBconnection cable, and it can also protect the original interface of thecomputer. Once the device is connected, it can be used.