QVS Port Savers protect the wear and tear of computer ports! Notebook computer ports are impossible to repair if worn our as a result of constant plugging and unplugging of cables and peripherals. A PortSaver is inexpensive and can be easily discarded and replaced. It works with Type A/A or A/B cables. It is USB 2.0 certified and supports USB speed up to 480Mbps. (Note: If total length exceeds 16ft., an active repeater may be required).