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Allows to extend the length of USB cable up to 80 feet (25 meters), connecting 5 active extension cables one after another
The USB active extension cable works like a USB hub and buffers all down-stream and upstream data traffic
Both low-speed and high-speed USB devices will function equally well with the USB active extension cable

Specifications
USB 2.0 and USB 1.1 supported
Up to 5pcs in the cascade are allowed