These specific products are the ideal and most economical solution if you want something faithful replica of the corresponding electronic devices of past decades.
A non-official product, made in China, sturdy metal casing, nice levers, nice button feel, a huge range of games from the 80s, 90s, and some from the early 2000s.
You can also use it as a joystick or use your own controllers.
Most games run smoothly, although some 3D titles may struggle.
There are many different versions with different processors and game lists, so before deciding to buy, do your research, check the game list that interests you, and buy the corresponding version.
Unfortunately, the information on the boxes is often unclear.
With prices around 120 euros, it is the best option you can find to play old games that you used to play in cafes and arcades.
Check out the Greek video unboxing and presentation in the link below.
https://www.youtube.com/watch?v=ZmVdOm9YYjY