Feature Built in games : 1500 retro games built in TF card ( 980 games for 16 Bit + 550 games for 8 Bit )Controller : Double 2.4G wireless ControllerOutput : H-DMI-Compatible OutputPower supply : AAA battery for wireless controller ( AAA battery is no including )Game Stick Function : Support save game progress / Support add more gamesInstallation : Plug game stick to HD port on TV , Connect USB cable to game console for power ,Select HD input on TV that will show image on TV . After that ,play free retro games .Classic Retro Video Game Console :The Classic Mini Retro Game Console is very popular TV game console in the 1980s. It has built-in classic childhood games, including dozens of the most classic video games, such as action, sports, puzzles are built in the retro game stick.The TV games plug and play are challenging, engaging and full of fun.What's more, it can save your game play and download games .Wireless Game Controller ,Plug N PlayThis mini classic console with 2 wireless controller .Wireless connection between controller and retro video game console, No cable, More free. Please Please use AAA battery to the wireless controller that can play retro video games . ( AAA battery is not included on our package )How to install more games ?Firstly ,you need to take out the SD card from Game stick, put sd card to card reader and plug it to computer . And then ,open the corresponding disk ,that you will see the file of each games series . Then put the games you download to "ROM" File.SF9001 Mini HD Game Stick Built In 926 Classic GamesRetro Gaming Console 16 Bit Game Stick HD OutputRetro Classic Games: Built-in 926 Games in SD card . Game series are Adventure ,Fighting ,Puzzle ,Shooting and Sport gamesTV Connect : HD output ,Clear image on TV set .Double Wireless Controller : with 2.4G wireless controller . Support two players . Play retro games with your friends . Wirel