This extension cable actively buffers the incoming and outgoing signals to ensure compliance with the USB 2.0 specification for electrical and timing minimums. Designed for use with most USB 2.0 or 1.1 devices like some webcams interactive whiteboards and printers. You can connect up to 3 active extension cables end-to-end to achieve up to 118 feet (36 meter) total extension! Both low and high speed USB devices will function equally well with this extension cable. The active chip is built into the middle of the cable so you can add up to 3 meters of additional USB cable on each end enabling this cable to be used behind a USB wall plate. This cable will also function when plugged directly into your PC.