I recently got a few of these. Miyoo A30, Ambernic RG 28XX and 35XXH as well as an R36s. My advise is do your research before buying since all had issues. Miyoo A30 has a minuscule battery life (4-6 hours) and had poor thermals (hot to touch). And while it promises PSP and DS compatibility, you’d be lucky to run basic 2d games from these systems. R36s I got was a clone system and finding a real one is like finding a needle in a haystack. The buttons were cheap feeling and with the older processor (same as real one) it’s no better than the A30. Anbernic systems performed the same and was the best experience… until my 35XXH tried to set itself on fire. Thankfully it didn’t and while talking to support was like talking to a chat bot. I was able to get a replacement. So far no fire.