... (output) with a USB line connecting with computer. USB Hub4 port usb hub, usb light, usb memory hub, hub, usb, usb card reader ... , hdmi cable, wireless usb hub, usb 2.0 hub, light usb hub, fan usb hub, wheel hub, bicycle hub, motorcycle hub, trailer hubs, brake hubGreat ... quality and competitive priceBeetle USB Hub1)The unit has 4 USB ports(output) with a USB line ...