The 2023 upgraded Pro+ version is more stable and the game runs faster.Product Features: Compatible with SEGA Game Gear GG console Includes many popular games for Game Gear and SMS Master We have downloaded all the basic games that can be used. You can also customize and add games by yourself. You only need to download the game ROM file to the Micro TF card and you can use it. Quickly open the game, with game save function. Simple menu is easy to use. Super quality, worthy of collection! Using DC-DC power-saving chips, compared with other chips, it runs @95.2% power efficiency (66.7% power efficiency), and the battery life is extended by 30%. High-quality black PCB board with real gold fingers, thickne improved by 1.2mm (others 1.0mm), better conduction on old game gear slots. FRAM-based flash car with external Micro SD, saving files for more than 10 years without batteries. The latest firmware, support Game Gear, SMS, SG games. Package includes: 1*Flash Gear GG Cartridge 1*Micro TF memory card (built-in about 600 popular games) Features: The system has been updated to the latest and no longer supports operating system updates! otherwise it will be damaged