[Findecanor]

Logitech Unifying and Logi Bolt are incompatible. Both them, classic Bluetooth, Bluetooth Low Energy and almost all other input-devices with dongles all use the 2.4 GHz band, and all these types of devices can interfere with one-another — but there are no rules against that!

Logi Bolt is actually a proprietary layer on top of Bluetooth Low Energy. Logitech claims that it should suffer less in face of congestion on the band compared to regular BLE, but they have not revealed how: I wonder if they make it worse for other devices by transmitting on more BLE channels.