brand 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. It can support for double for play but does not support downloading games. Most of the built-in games have been tested, but there may be a few games that are not supported. Specification: Item Type:Game Enhancer Material:ABS Color:Black Size:Approx 13.5x5.5x2.5cm/5.31x2.16x0.98in 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:We have two different appearances (A and B) and will send randomly. Enter system interface 1. Press the button on the system interface to enter the game interface. 2. In the game, press the RESET button of the host (reset) 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. The simulator interface exits while pressing SELECT+SEART. 6. Simulator interface exits the system interface, select Main Menu, and find the Quit Retroarch option to exit. 7. Simultaneously press R2+L2 on the system interface and the game console will shut down. Notes: 1.When the individual product is turned on for the first for time, you need to read the disk scan directory, press the X button to scan it. 2.The first for time to read the disk, entering the system is slow, which is a normal situation. Do not mess with the button because random press may get stuck. 3.Please insert the game collection bar before powering on, then plug in the power and press the power button to load the game. 4.After turning off all the power, you can unplug the game collection bar and you can'for t pull it out during use, otherwise it will damage the system file. 5.Does not support personal download games. Most of the built-in games have been tested, but there may be a small number of games that are not supported. 6.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. 7.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1x Game Enhancer 1x Hub