Help with Roku remotes and accessories, including pairing a remote, setting up TV power & volume control, using voice commands, power adapters, cables, headphones, and wireless speaker accessories.
They haven't made one like that for a few years. You can find them on ebay but they often go for "collectible" prices 
It's probably better to get a modern Roku and and a converter. Here is one of many examples: (just the first one I found - not necessarily the best.)
