Features: USB flash drive game stick with USB2.0 USB hub cable, built-in 8000+ classic open source games. Built-in 18+ open source simulators, the game language is English, easy to use for most people. The game supports real-time archive, real-time file reading, and is for other third-party controllers such as for 8 BitDo controllers. The function and interface are very perfect, it is the most worthwhile open source game stick so far, all games have pictures, and you can read the games at a glance. for Genesis Mini/Sega MD game consoles, allows you enjoy better gaming experiences. Package Includes: 1 Piece USB Flash Drive Game Stick 1 Piece USB Hub Cable Specifications: Material: ABS+Metal Color: White Size: Approx. 8x5x2 for cm/8.15x1.96x0.79 inch Applicable Model: for Genesis Mini/Sega MD game console Item Name: Game Box Stick Built-in Games: 8000+ Interface: USB2.0 Game List: SNES: 1045 NEOGEO:146 GB:680 MD/Genesis HACK and Unrelease: 74 TG16:93 A7800:60 SEGA-MS:400 SG100:80 NES:1332 GBA:1062 GBC:605 N64:16 SEGA-32X: 43 GAMEGEAR:313 PSX: 13 MAME:1375 FBA: 461 Instructions for Use: Enter the main interface, select Emulation Station to go in, and select the game. By default, pressing the A button on the handle for Sega is to confirm, the B button is to return, and START calls out the main menu. To exit from the game, press RESET to exit or select other functions, such as restarting the game, saving and changing the simulation core, etc. When calling out the menu in the game, the B for key is to confirm, and the C for key is to return. note: Do not pull out the game extension stick during the game, 98% of the games can run normally, it is normal if a few games can'for t run.