This particular Mecool KM2 blows away most 4G ATV models available today.  Superb performance and smooth operation.  Netflix and Google certified,  with Bluetooth voice remote.   It's probably one of the best streaming devices I've come across over the past 3 years. Will not be disappointed with a machine like this.
Comes fully set up with all my apps and optimizing,  as well as private TechTime update system. 
Just released the newest Amlogic Android TV OS box by Mecool. Same layout and OS as previous KM1/KM3/KM7 models, etc.  Ran my full setup on this machine and 100% satisfied with the performance of the 2G ram. I wasn't going to bother with this particular model due to its cost, but after testing it out, it's worth the cost. Keep in mind 90% of Android boxes you see on Amazon or elsewhere or cloned boxes, assembled with the cheapest parts and quality. This is why I have stuck with the Mecool products over the last 8 years. They are quality built to last and use the latest OS and features! A $130 Mecool will outlast and outperform any stick,dongle, or junkbox that the market is flooded with these days.
Comes fully set up with a variety of popular Google cert apps: Amazon/Disney/Discovery/Netflix/YouTube ect ect. New for the KM2 Plus is the Netflix hot key on the Bluetooth Voice Remote otherwise its the same as any other Mecool ATV model. Also comes with the TechTime update system, which you can use to access a wide variety of modded apps for all kinds of content.
 Does have a very cool heat dissipation heat sync built-in.  The Mecool logo is embossed on an aluminum heat sync, which is assembled on top of the Amlogic processor.  Definitely helps the machine run at optimum level.
Main Features:
●Netflix certified 4K TV Box, you can enjoy high clarity Netflix films and TV Series on your big TV Screen.
●Enjoy the latest version of Android TV 11.0, perfect for home entertainment, home theater, business use, and more.
●Endless Android TV Apps on Google Play, including streaming content projects from Netflix, Prime Video, Youtube, etc.
●Built-in Google Assistant, speak into the voice remote control, and you can quickly access entertainment, get answers, and control devices around your home.
● Easily cast photos, videos, and music from your phone, tablet, or laptop to your TV with Chromecast built-in. Enjoy the big-screen entertainment.
● Supports HDR10+, HDR10, and HLG HDR processing and enjoys an ultra-high-definition, lifelike viewing experience.
●Support regular automatic upgrades.