This device attached to any PS4 and gives it a foldable display. It also features speakers, dual HDMI and dual headphone jacks. This is a cool way to make your PlayStation 4 more portable.
From the manufacturer -
Officially licensed by SCEA. Enjoy the PlayStation 4 experience anywhere with this sleek and high-quality HD monitor attachment. The HORI Full HD Monitor attaches perfectly to the top of the PS4 system, seamlessly matching the console's shape and aesthetic. Enjoy every detail of next gen PS4 gaming and Blu-ray video on this gorgeous full HD 1080p 11.6" LCD display with adjustable settings utilizing HDMI input. Use the built-in stereo speakers for quality sound or two headphone jacks for either headphones or external speakers (sold separately) for your ideal sound set up. Monitor folds closed for easy transport - the attached monitor adds less that 1.25" of height to the PS4 console. Perfect for entertainment on the go!