4port usb hub Transfer: USB1.1/USB2.0 IC : GL850G-LQFP48 business type:factroy descriptionFeature:4port USB HUBFriendly and ergonomic design, more colour, Plug ... , Digital camera USB audio card , Hard disk ect. Provide up to 500ma per port. Supports up to 127Hi-Speed devices.Transfer face ... to buy ,More cheaper! Whole sell! 100pcs/lot USB 2.0 HUB, 4ports USB HUB, real USB2.0 hi-speed,plug and play ...