... price, fast delivery Good quality USB2.0 HUB for mobile charger, for iphone 4 usb data cableSpecification usb2.0 interface,multi ports ... , 3 hubs can connect to other devices(card reader,notebook,usb flash driver,keyboard,ect.)transfer rate is up to 480 ... AAA to C grades. Prices and quantity can be negotiated2. OEM order is warmly welcomed. also can produce much more other ...