https://www.snk-corp.co.jp/us/neogeomini/
Got off Amazon for 50 bucks
https://www.amazon.com/gp/product/B07D1KN661/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Neo Geo International Version.
Power
No Internal battery's
Needs 5 Volt 1 AMP USB Type C plugged into back.
Play is reliable ONLY when using at least 1 AMP power supply.
Using External Battery to supply AMPS sometimes causes stuff to not work/hang.
Screen is 3.5 inches. 320 X 224 Pixels.
P1 and P2 ports are on side. P2 port can be used to expand storage.