[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 for deskjet 2540 or 3630, for officejet 5740, for 4527 or 4520 or 4523 or 5540, for photosmart 7520 or 5520 or 5510, for MG5750 or MG3550 or MG7550, for Xpress SL-C1860FW etc. [High Quality]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,don't accept the specified color there are errors in the size due to manual measurement, which not Colour:Black Material:PVC Size:B:2 meters and branch line 2.5 meters Package Contents: 1 x Printer Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.