Powerful Open-Source System:Utilizing an open-source system, it's highly compatible with numerous retro game emulators. You can easily add, delete, or manage game files, customize control settings, and update firmware for a flexible and personalized gaming experience. 128GB Large-Capacity Storage:Built-in 128GB storage space easily stores thousands of classic games, BIOS files, and save data. Enjoy a rich game library without frequent file replacements, and play your favorite games anytime. 4-inch IPS Color Display:Equipped with a 4-inch IPS full-color screen, it delivers bright, vibrant colors and wide viewing angles. The high-definition display enhances the retro pixel art and arcade visual effects. Nostalgic Arcade Simulation Experience:Relive the glory days of the arcade era through accurate simulations of classic arcade systems and home consoles. The R39MAX supports multiple emulators, offering smooth frame rates and responsive controls, allowing you to enjoy a satisfying retro gaming experience anytime, anywhere. High-Performance Hardware:Optimized CPU and GPU configurations ensure smoother emulation performance, faster game loading speeds, and lower latency. Enhanced sound effects and responsive controls ensure a stable gaming experience while playing a variety of simple and complex retro games. CPU: Rk3326 ARM 64-bit quad-core Cortex-A35 CPU up to 1.5GHz GPU: G31MP2 (520 MHz), supports OpenGL ES 3.2 Memory: 1GB eMMC + 8GB TF Card: 128GB Speaker: Built-in 8W cavity speaker Built-in Lithium Battery: 3500mAh Input Power: 5V 1.5-2A Maximum Power Consumption: 5W Battery Life: 6 hours Charging Time: 2 hours TYPE-C Charging Port: Supported TYPE-C-OTG Data Port: Supported Headphone: Standard 3.5mm jack Color: Transparent Blue Material: plastic Package Conten