Fangrui Product Details 1. R36s Retro Handheld Game Console Linux System 3.5-inch Screen Single Tf Card Version 2. High-resolution Display: The 3.5-inch Ips Screen Provides A Resolution Of 640x480, Bringing Excellent Visual Effects And Providing An Immersive Gaming Experience. 3. Dual Joystick Design, Supporting Dozens Of Mainstream Simulators 4. Rk3326, Arm 64bit Quad-core 1.5ghz Professional Game Chip, Can Easily Run Large 2d And Some 3d Games 5. Built-in 2500mah Polymer Battery, Removable To See The Battery Status More Intuitively. The Battery Adopts Two-way Protection, Chargingdischarging Is Safer, And A Full Charge Can Play For 4 Hours. 6. Otg Adapter, Through The Adapter Cable, It Can Be Output Synchronously On The Large Screen, And It Can Also Be Connected To The Handle Through The Adapter Cable To Achieve Two-player Games. 7. This Retro Handheld Game Console Is Conveniently Designed, Can Be Easily Put Into Your Pocket, And Provides Up To 128gb Of Games For Your Entertainment Anytime, Anywhere. 8. Using A Linux Operating System, Smooth Performance, A User-friendly Operating System, Can Enhance The Gaming Experience. 9. Parameters: 10. System: Open Source Linux System 11. Built-in Emulator: Support Mamen64ps1neogeofcsfcmdcps1cps2cps3etc. 12. Screen Size: 3.5-inch Ips Oca Fully Laminated Mipi Screen 13. Resolution: 640 X 480 14. Cpu: Rk3326, Arm 64bit Quad-core Cortex-a35 Cpu Up To 1.5ghz 15. Gpu: Mali-g31mp2 (520mhz), Support Opengl Es 3.2 16. Ram: Ddr3l, 1gb 17. Tf Card: Support 16g-256g Tf Card Expansion 18. Speaker: Built-in 8w Cavity Speaker 19. Battery Capacity: 2500mah 20. Input Power: 5v2a 21. Type-c Charging Interface: Support 22. Type-c-otg Data Port: Supported 23. Headphones: Standard 3.5mm Interface 24. Tip: Single Card Is For System And Game On One Memory Card