Lost USB Receiver for Logitech MK240

The MK240 is a cost-effective wireless Keyboard and Mouse combo that is very highly rated by users.

Logitech MK240 NANO Mouse and Keyboard Combo Black Color

To enable wireless connectivity it uses a small black USB dongle that plugs into your laptop or PC. In fact it’s so small that it’s easy to lose or forget. Many users will throw away an old PC and forget that the dongle was plugged into the USB port. In this post we answer some user questions.

Can I use the MK240 without the USB dongle?

No, the MK240 cannot be used without the USB dongle. The dongle includes a wireless receiver that communicates with both the mouse and the keyboard and is required to operate.

Is the MK240 a Bluetooth dongle?

The MK240 is not a Bluetooth dongle. Instead it uses a proprietary 2.4 GHz wireless technology designed by Logitech. It is optimized for Keyboard and Mouse devices.

Where can I get a replacement dongle?

A replacement dongle can be purchased on eBay.

Non Unifying Receiver
Nano Receiver

The replacement dongle can also be used for the following Logitech combo devices:

  • MK235
  • MK240
  • MK240n
  • MK250
  • MK260
  • MK270
  • MK275
  • MK295
  • MK320
  • MK345

Make sure to check the correct receiver type when making your purchase as the USB dongle is associated with a specific receiver.

Pick the correct Logitech Nano Receiver Dongle for your Keyboard or Mouse

Is the MK240 a Unifying Receiver?

No the MK240 is not a unifying receiver. Neither are the Keyboard Mouse combo devices listed in the previous section. For more on the differences please read our article on the four different types of Logitech receivers.


If you have lost or misplaced the USB dongle for your MK240 Keyboard Mouse combo device, it is easy to purchase a replacement receiver from eBay.