30Ft USB2.0 Active Extension/Repeater A-Male/B-MaleUSB 2.0 active repeater cable is a bus powered extension cable that can be used to increase the length of a device cable without signal loss and potential performance problems. USB limits a cable s length to 16 feet. Any length above 16 feet requires the use of an active repeater that has a signal booster built in.This repeater cable has USB A-male and B male connecctor so that you can connect devices with USB B female connector such as printer without additional USB cable.* 30Ft long USB2.0 A male/ B male cable with built-in active repeater* Connector: A male to B male* Data transfer up to 480Mbps* No external power required