R36S Retro Handheld Game Console Linux System 3.5-inch Screen Simple TF Card Version High-Definition Screen: The 3.5-inch IPS screen boasts a 640x480 resolution, delivering excellent visuals and an immersive gaming experience. Dual Joystick Design: Supports dozens of popular emulators for versatile gameplay. Powerful Performance: Equipped with an RK3326, ARM 64bit quad-core 1.5Ghz professional gaming chip, effortlessly runs large 2D and some 3D games. Long-Lasting Battery: Features a built-in 2500mAh polymer battery, removable for easy monitoring. The battery has two-way protection, ensuring safer charging/discharging, and a full charge provides up to 4 hours of playtime. OTG Adapter Support: Via the adapter cable, it can be synchronously outputted on the big screen, and it can also be connected to the handle via the adapter cable to achieve two-player games. Portable Design: This retro handheld game console is conveniently designed to easily fit in your pocket, providing up to 128GB of games for your entertainment anytime, anywhere. Smooth Linux System: Utilizes a Linux operating system for smooth performance and a user-friendly experience, enhancing your gaming enjoyment. Parameters: 1. System: Open Source Linux System 2. Built-in Emulator: Supports MAMEN64PS1NEOGEOFCSFCMDCPS1CPS2CPS3etc. 3. Screen Size: 3.5-inch IPS OCA Fully Laminated MIPI Screen 4. Resolution: 640 x 480 5. CPU: RK3326, ARM 64bit Quad-Core Cortex-A35 CPU up to 1.5GHz 6. GPU: Mali-G31MP2 (520MHz), Supports OpenGL ES 3.2 7. RAM: DDR3L, 1GB 8. TF Card: Supports 16G-256G TF Card Expansion 9. Speaker: Built-in 8W Cavity Speaker 10. Battery Capacity: 2500mAh 11. Input Power: 5V2A 12. Type-C Charging Interface: Supported 13. Type-C-OTG Data Port: Supported 14. Headphones: Standard 3.5mm Interface Tip: Single card is for system and games on one memory card