Logitech New Unifying USB Receiver for Mouse keyboard M515 M570 M600 N305 MK330 MK520 MK710 MK605 Logitech Unifying receiver for mouse and keyboard with Unifying Logo The unifying receiver working with 6 mice and keyboards in the same time. Will work with any product that has the Unifying Logo (orange star) on them. Works with Mouse MX M905 M950 M505 M510 M525 M305 M310 M315 M325 M345 M705 M215 M185 And also with Logitech Notebook Kit MK605 Logitech mouse M215