for PS1 game expansion stick 3rd generation 128G Built-in games:15000 Interface: USB 2.0 Support memory card: usb 2.0 Product standard configuration: game stick x1, packaging x1 Product weight: 25g Product size: 6*2.4*1.3cm Instructions for use: plug in the boot, the first boot, you need to wait for about 1 minute to load the game time. Enter the main interface to select the game. By default, pressing the O button on the PS controller is to confirm, and the X button is to return.START calls out the main menu. To exit the game, you can press the select + triangle button to exit or select other functions, such as restarting the game, saving and changing the simulation core. note: 1. Do not pull out the game extension stick during the game. 2. Normally, it is shut down by calling out the menu. 3.98 Percent of the games can run normally, if a few games can not run, it is normal. 4. Unplug the power directly when it is unable to shut down.