Clarifying "Android" here feels misleading. Sure, they're all Android devices, but they're not what people think of when they think of Android devices. And they're also unlikely to be the ones most people buy.
You could also say "cheap Chinese TV boxes" and it'd still be accurate, and the devices people would think of would be more closely related to the actual devices in question.
This has basically nothing to do with Android. You might as well say "plastic TV boxes" at that point.