Newegg offers the refurbished Roku 4 4K Wireless Streaming Media Player for $53.95 with free shipping. That's a buck below our refurb mention from last week and the lowest price we've seen. (It's the best deal now for a refurb by $6, and new ones are at least $90 elsewhere.) It streams 4K HD content from Netflix, Amazon Video On Demand, Pandora, Flickr, and other media apps. It features 802.11ac dual-band wireless, USB, voice control, lost remote feature, and HDMI. Deal ends May 11.
Note: A 90-day warranty is included, but it's unclear who backs it.