Features: Made of ABS material, more durable. Game enhancer includes 176 models of classic games and the open. Source simulator includes more than 7000 games. Supports dual-player mode but does not support downloading games. Most built-in games have been tested; however, a few may not be supported. Specification: Item Type: Game Enhancer Material: ABS Color: Black Size: Approx 13.5 x 5.5 x 2.5 cm / 5.31 x 2.16 x 0.98 in Memory: 128G Applicable Scope: Extended Game Pack Connection Method: Direct Connection Additional Features: Game Pack Extension Game Version: Lite Version Video Game Rating: Entry Level, Elite Level, Enthusiast Level Notice: Two different appearances (A and B) are available; random shipment will be made. System Interface Instructions: 1. Press the button on the system interface to enter the game interface. 2. During gameplay, press the RESET button on the host to exit the game. 3. Press the O-shaped button on the game interface to return to the main interface. 4. Press the "square" button on the system interface to enter the open source simulator interface. 5. Exit the simulator interface by pressing SELECT + START simultaneously. 6. From the simulator interface, go to Main Menu and select Quit Retroarch to exit to the system interface. 7. Press R2 + L2 simultaneously on the system interface to shut down the game console. Notes: 1. When powering on the device for the first time, disk scan directory reading is required; press the X button to initiate scanning. 2. First-time disk reading may result in slow system entry; this is normal. Avoid pressing buttons randomly to prevent system lockup. 3. Insert the game collection bar before powering on. Then connect the power supply and press the power button to load the game. 4. Only remove the game collection bar after completely turning off the power. Do not unplug during use to avoid damaging system files. 5. Does not support user-downloaded games. Most built-in games have been tested; however, some may not be compatible. 6. Allow 03 cm error due to manual measurement. Please confirm you accept this before purchasing. 7. Due to monitor differences, actual item color may vary from images. Thank you! Package Included: 1 x Game Enhancer 1 x Hub