4port usb hub Transfer: USB1.1/USB2.0 CE,ROHS,FCC standard business type:factory Feature:4port usb hubFriendly and ... installation. Complicant with Bluetooth Card reader, USB mouse, USB Keyboard, Scanner, Digital camera USB audio card , Hard disk ect. ... VASTA high Transfer speed: up to 480Mbps, Power: USB 5V/600ma Power outpu: 5V/1.5A-2A ... 10%-90%non_condensing Electric: 50-60ma 4port USB HUB XWG-H811