Bgoodgirl 7 Port HUB USB 3.0 Splitter Adapter 5Gbps Hub With On/Off Switch For PC Mac Desktop Laptop Notebook + USA Plug Black Connected mobile hard disk / phone / tablet / disc / card reader / mouse / keyboard / MP3 / MP4 / voice recorder,and USB devices Support system windows 8 ( 8.1 ) / Win7 / Vista / MAC OS10.6 above,Backward compatible with USB 3.0 ,2.0, USB1.1 One a USB3.0 interface to expand to 7 independent work USB3.0 interface, supports four mobile hard disk simultaneously,Built-in LED indicator shows the USB power supply, DC power supply, to show USB connection status of each peripheral device connected to the USB port Independent switch design, easy to use,No need to install any driver,Just Plug and Play. High speed transmission rate, transfer rate up to 5Gbps