<br> <br> <br> <br> <br> Note: MK220, Mk240, MK260, Mk270 keyboard and mouse sets are distinguished between the new version and the old version. The receiver is different. Our receiver only use for The label number SN14/15/16 starts with the new version<br> <br> <br> Feature:<br> <br> For Logitech original Nano receiver can be connected to keyboard and mouse at the same time, there is no difference between the two use, Logitech driver recognizes normally.<br> <br> Suitable for Logitech MK220, MK235, MK240, MK260, MK270, MK275, MK345 and other wireless keyboard and mouse sets and supporting mouse models such as M150, M210, M212, M185, M170; M238, M220 and other single mice<br> <br> How to use the USB receiver<br> When you receive the new receiver, you must pair the new receiver to your mouse.<br> <br> <br> <br> Attention:<br> <br> The product comes with logo, hope you don't mind. Thanks!<br> <br> <br> Package list:<br> 1 x USB Receiver