If you have lost your old receiver Uniflying, it is fine to replace him. But, if you want to put a 2nd receiver on another computer, for example by using one mouse, it does not. Indeed, it is written in the user manual of the Software Logitech Uniflying (Welcome / Learn more): "However, you can not pair a compatible device with several Unifying receiver Your device can only communicate with. the last receiver with which it was paired. " Also: "It is impossible to couple devices with Bluetooth wireless technology or other Logitech devices that do not have the Unifying logo to a Logitech Unifying receiver devices designed to work with the Unifying receiver can not be. coupled with wireless receivers not equipped with the Logitech Unifying. "
