* Adds 4 X USB 3.0 ports to your existing computer* Can fast charge Apple? & other Smartphones and tablets with USB Charging Ports* Backward compatible with USB 2.0 specification* Support Low speed (1.5 Mbps)/ Full speed (12 Mbps)/High speed (480 Mbps)/ Super speed (5 Gbps)* Supports auto switching between selfpower and bus power mode

