Best Data Link tool for laptop

Features :
. USB 3Port HUB + USB Charge + Flash Data Link
. USB 3Port HUB + USB Charge + PC Link
. Provide 5V / 0.5A power source and charge the mobile
devices via USB power port.
. Output voltage：DC 5V
. Output current：0.5A max.
. PC Link:
built-in flash disk,up to 1G.
host-to-host data bridge.
USB2.0 compliant.