The PlayStation Portal is a serviceable option for handheld PS5 streaming. Just don't expect more than the bare minimum.
PlayStation Portal review: streaming handheld cuts corners
Sony PlayStation Portal Review
Sony PlayStation Portal is a $200 remote play device coming later, ps
PlayStation Portal Review: A PS5 in Your Hands, With Limits - CNET
Lizard Skins PS5 Controller Grip – 0.5mm DSP Playstation 5 Grip - Easy to Install PRE Cut Pieces - 10 Colors (Teal) : Video Games
PlayStation Portal: Price, design, connectivity options and more
Screen size comparison for the naysayers : r/PlaystationPortal
PlayStation's first Remote Play dedicated device, PlayStation Portal remote player, to launch later this year at $199.99 : r/Android
PlayStation Portal reviews: Great for some, but not for everyone
Sony Says PS Portal Wasn't Designed to Make a Profit
Sony PlayStation Portal Remote Player for PS5 Console
PlayStation Portal review: streaming handheld cuts corners, ps
PlayStation Portal review: weird but comfortable PS5 remote play - Video Games on Sports Illustrated