R36S Retro Handheld Game Console Linux System 3.5-Inch Screen Single TF Card Version High-resolution display: The 3.5-inch IPS screen provides a resolution of 640x480, delivering excellent visual quality and an immersive gaming experience. Dual joystick design supports dozens of mainstream emulators. Powered by the RK3326, an ARM 64-bit quad-core 1.5GHz processor, this console can smoothly run most 2D games and select 3D titles. Equipped with a built-in 2500mAh polymer battery that is removable for easy replacement. The battery features dual protection for safer charging and discharging, providing up to 4 hours of gameplay on a full charge. Includes OTG support via adapter cable, enabling screen mirroring to external displays and allowing connection of external controllers for multiplayer gameplay. Compact and portable design fits easily in a pocket, offering convenient on-the-go entertainment. Supports up to 256GB of expandable storage via TF card for a large game library. Runs on an open-source Linux operating system for stable and smooth performance, with a user-friendly interface that enhances the overall gaming experience. Parameters: System: Open source Linux system Built-in emulators: Support for MAME, N64, PS1, NEOGEO, FC, SFC, MD, CPS1, CPS2, CPS3, and others Screen size: 3.5-inch IPS OCA fully laminated MIPI screen Resolution: 640 x 480 CPU: RK3326, ARM 64-bit quad-core Cortex-A35, up to 1.5GHz GPU: Mali-G31MP2 (520MHz), supports OpenGL ES 3.2 RAM: DDR3L, 1GB TF card: Supports 16GB to 256GB expansion Speaker: Built-in 8W cavity speaker Battery capacity: 2500mAh Input power: 5V/2A Type-C charging interface: Supported Type-C OTG data port: Supported Headphone jack: Standard 3.5mm Note: Single card configuration includes both system and games stored on one memory card.