[FunctionThis 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 advantageThis 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 USB 1.1 (12 Mbps) and low speed USB 1.0 (1.5 Mbps). [Wide compatibilityThis printer cord is compatible with for deskjet 2540 / 3630, for officejet 5740, for 4527 / 4520 / 4523 / 5540, for photosmart 7520 / 5520 / 5510, for MG5750 / MG3550 / MG7550, for Xpress SL-C1860FW etc. [Fully shielded cable and flexible sheath make usb 2.0 cable very , they t let you down. The appearance of the switch in the middle of the cable is random due to different batches,dont accept the specified color; there are errors in the size due to manual measurement, which will not Colour:Black Material:PVC Size:B:2 meters + branch line 2.5 meters Package Contents: 1 x Printer Cable Only the above package content, other products are not included.