USB Hub with 4 ports, Simple design,usb 2.0 standard, No need additional power supply • Support 1T HDD• USB Hub with 4 ports • Supports USB 2.0 • Supports data transmission: full speed to 480Mbps, medium-speed 12Mbps, low-speed 1.5Mbps USB 2.0 4 PORT HUB,USB 2.0 cube HUB 4 port