No, a 4K dongle is not compatible with all mice.

It's important to note that the 4K dongle is not compatible with Xlite V2, X2, and eS series mice.

Please make sure to verify the compatibility of your specific mouse model before using the 4K dongle.

If you want to see an exact list, please check the "Compatibility" section on the detailed product page : Pulsar 4K Dongle (click)