Maximum transfer speed: 5 gbps Carry the amplifier to amplify the USB Signal Extension Cable with Mle type A connector at one end and USB 3.0 Type A Male on the other. This is an ideal solution for cbles USB with a length of more than 10 meters up to a maximum of 20 metres (from 2 extension cbles with an external charger) Complies with Universal Serial Bus Rev. 2.0 specifications