The targus usb 20 4 port hub allows connection of up to 4 usb devices whilst on the move plug and play functionality ensures this hub is simple and easy to use whilst the device draws power from the notebook ensuring a bulky ac adapter is not required on your travels high speed usb 20 connectivity ensures fast and reliable data transfer of up to 480mbps to a variety of devices such as mice flash drives and mp3 players keyboards usb adapters and digital camerasthe attached usb cable prev