... transfer speed up to 480Mbps 3 CE,ROHS are available 4 OEM,ODM,LOGO are welcome usb hub1 USB2.0 Version ... ,Compatible with USB 1.12 4 ports ,and power up to 500mA each port3 Truly ... plug and play and hot swapping capability4 No Driver installation required5 Maximum data transfer rate is 480 mbps6 Support ... ,ODM,LOGO are welcome Brand new and best price 4 port usb hub