Yes. The Voice Remote and Voice Remote Pro are compatible with both these devices and can be easily swapped and used with either device. Just pair it to the device and program it appropriately to their attached TV for TV controls.
Roku Community Streaming Expert
Just another Roku user... I am not a Roku employee.
Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102