USB certified 2.0 bus-powered extension cable Increase the length of a device cable without the worry of signal loss & potential performance problems Built-in signal booster Capability of extending up to 80 ft by daisy chaining 5 of these active cables Cable must be plugged directly into a USB port (either on the PC or a hub) Use a standard 6-ft 10-ft or 15-ft USB cable to reach the desired distance 16 ft