I’m afraid there’s a small issue with the model number you’ve provided: does not appear to correspond to any known Philips product released in 2021 (or any other year).
Philips releases iterative updates annually, but the 2021 "5599" variant introduced three game-changing upgrades over its predecessor (the PH9MEA5588). philips ph9mea5599 2021
features such as eARC, VRR (Variable Refresh Rate), and FreeSync Premium Pro to minimize lag and screen tearing. : Supported by DTS HD Premium Sound I’m afraid there’s a small issue with the