【Function】This printer cable can connect printers, scanners, hard drives, cameras, pianos and other usb b devices to two computers; it is ideal for usb a to usb b. 【Special advantage】This printer usb cable has a separate switch to control the power on, no need to unplug it every day, convenient and easy to enhance the security. 【High speed printing】 This printer cord to computer has a data transfer rate of 480 Mbps, the printer can print a page in seconds. Usb type b cable is backward compatible with full speed USB 1.1 (12 Mbps) and low speed USB 1.0 (1.5 Mbps). 【Wide compatibility】This printer cord is compatible with HP deskjet 2540 / 3630, HP officejet 5740, HP Envy 4527 / 4520 / 4523 / 5540, HP photosmart 7520 / 5520 / 5510, Canon MG5750 / MG3550 / MG7550, Epson XP225 / XP245 / XP425, Brother DCP-L2520DW, Lexmark MX310DN, Dell C2665DNF, Samsung Xpress SL-C1860FW, Oki ML1120 / 511DN, Yamaha digital piano, DAC, etc. 【High Quality】Fully shielded cable and flexible sheath make usb 2.0 cable very durable, they won't let you down.