@g12erald
The different Roku devices come with different remotes. Sounds like you bought the Express HD model that comes with a Simple remote (no TV controls).
You could buy a Voice Remote (comes with TV controls) to replace the Simple remote. https://www.roku.com/products/accessories
However, since the remote costs $20, I would just return the Express HD and purchase the Roku Express 4k+. The Roku Express 4k+ (model 3941) is currently on sale for $30 and will come with a Voice Remote.
https://www.roku.com/products/players
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You can purchase these different devices in stores like Best Buy, Walmart, Target, etc and the prices should be the same as those you find on the Roku website.
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