The Amazon Firestick 4K Max is a streaming device with HDMI input that turns any HDMI-equipped screen into a smart screen that can stream content from compatible apps including YouTube, Prime Video, Apple TV, Netflix, Disney+ Hotstar, and others.

It runs Amazon's Fire OS, an Android-based operating system that incorporates Amazon services like Prime Video and Amazon Music, as well as an app store where users can download and install other supported apps like games.

The Amazon Fire TV Stick 4K Max is the company's flagship streaming device, with smooth performance, good connectivity, support for major high dynamic range (HDR) formats, Dolby Atmos audio, and Alexa voice assistant for controlling the device.