FeaturesThis is a practical retro game console. It is equipped with for Linux-system, supports WIFI networking, and can be expanded to 64G/128G version.Pre-installed 20000+ Retro Games: Supports more than 20 classic emulators, enjoy a massive game library, pre-installed with more than 15000(64G)/ 30000(128G) retro games. This all in 1 handheld game console is fully compatible with more than 10 mainstream emulators, allowing you to instantly access nostalgics games without downloading or setting up.Built-in WiFi, wireless multiplayer: Enhance your gaming experience with WiFi multiplayer without additional accessories! This game console allows you to wirelessly connect with friends for local two-player or cooperative games - no external controllers or cables are required. You can play classic battling games or team-up on the same networks for seamless retro fun.Dual 3D joysticks with 7-color LED lights: Stylish and sensitive control experience, mechanical buttons and dual 3D joysticks bring smoothing and precise control experience. Integrated 7-color LED lightings effects enhance visual-effects and enhance the gaming atmosphere. Whether you are racing, shooting, or exploring a pixel-perfect world, you can customize your appearance and enjoy an immersive gaming experience.4 inch IPS-HD display: 720x720 crystals clear visuals R36s is equipped with a 4-inch fully laminated IPS-screen with 720x720 HD resolution, presenting bright RGB colors and exquisite details, making every frame vivid. Wide viewing angle and anti-glare coating can effectively reduce eye fatigue, which is very suitable for long-term gaming.DescriptionNumber of games:64G: 15000+128G: 30000+Memory/storage DDRIII 256M/NOR-FLASH 128MDisplay: 4.0-inch HD screenResolution: 720*720 Battery capacityBattery capacity: polymers lithiums-ion battery 3000 mAh,Package List:1x R36 Ultra Open Sources Handheld Game Console