MX Anywhere 3 for Business: Only works with the new Logi Bolt USB dongle. This is included in the scope of delivery. MX Anywhere 3: Only works with the Unifiyng USB dongle. This is included in the scope of delivery.
If you are a Linux user, the Logi Bolt is not yet recognised by Solaar. So you have to configure the mouse via a Windows machine and the Logitech software.