12V Poweredusb cable for Epson printer

A--Descriptions 1.Providing the ability to supply power and communication signals using a single cable, powered USB is emerging as the industry standard in a broad range of environments including retail POS, industrial, security and medical, offering the convenience of true, single cable plug-and-play connectivity. 2.high quality design and construction needed to usher in a new generation of USB connectivity, providing superb grounding and protection for all components, as