J-DEAL&reg; 7 Port USB 2.0 Hub with 5V/5A power adapter Adds 7 USB 2.0 ports to your computer - Up to 480 Mbps data transfer rate Easy to set up, Plug & Play, Hot swappable Features over-current protection safeguards when equipment is connected from over voltages Two Additional charging ports offers enough current to charge your smartphone at high speed.