Enhanced remotes should work with all Roku models, though some very old models may not be compatible. You can tell if you have an enhanced remote because it'll have a pairing button to connect it ...

Not all Roku remotes support the remote finder feature -- anything with ... where the sensor is), then you'll have to look ...

This can be useful if you lose the remote while traveling. It allows you to use the device from the Roku app. It can also be beneficial if you recently found an old Roku device and know the Wi-Fi name ...

I found that while the old remote lets you say, "Hey Roku," and then the command straight after, you have to wait a second or two for the new remote to "wake up" before issuing a voice command.