a second and third dimension to the humble USB hub is this one that functions as an alarm clock and letter opener. Besides the evident 4-ports that is USB 2.0 compatible the multifunctional the device cuts open the cover automatically when the envelope touches the spring slice. It even sounds a "Bi Bi" alarm around 30 seconds and is powered by 3-AA batteries or the USB connection. The transfer speed is up to 480 Mbps.
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