Which is the best for smart tv box?

Based on the search results, some of the best smart TV boxes for you would be the Mecool KM9 Pro Android TV Box or the Amazon Fire TV Stick 4K Max. The Mecool KM9 Pro is a highly rated Android TV box available for R849. It has built-in WiFi and Bluetooth for easy wireless streaming in up to 4K resolution. The Amazon Fire TV Stick 4K Max, priced at R899, is Amazon's most powerful streaming stick yet. It has a new quad-core 1.8GHz processor for fast navigation and switching between apps, as well as WiFi 6 support for smooth 4K streaming and gaming. Both options would allow you to easily turn your regular TV into a smart TV and access all your favorite apps and streaming services. Let me know if you need any other details on these or have additional questions!