Product Name: RK-88 Handheld Game Console Operating System: Linux Resolution: 640*480 Screen Size: 3.5-inch IPS Screen Quality: HD MIPI Interface Type: USB Battery Capacity: 3000mAh Video/Audio Interface: HDMI Memory: 64GB/128GB Features: 1. High-resolution 3.5-inch HD screen High-definition eye-protection screen blocks harmful screen light for worry-free gaming 2. Large-capacity aluminum battery with long battery life, supporting 4 hours of gaming Silicon-carbon anode high energy density and long-life battery, with a high energy density of up to 4-5 hours, ensuring worry-free gaming. 3. Upgraded L/R buttons for more flexible operation. 0.1mm precision, one-touch switching between linear and rapid control for smoother gaming. 4. A new benchmark in ergonomic design for handheld game consoles. The redesigned button and joystick layout features a custom, ergonomic grip and joystick, perfectly integrated with the console, allowing you to play for hours without fatigue. 5. Powerful, professional gaming chip. The newly upgraded gaming chip optimizes multiple hardware features for high-performance, lag-free, HD gameplay. 6. Over 30,000 games, 26 classic emulators. Explore a rich library of games and experience the joy of a mobile handheld console! Play wherever you go. 7. Multiplayer support for unparalleled excitement. Supports MINI HDMI external monitor for two-player and multiplayer interaction, allowing for smooth, large-screen gaming. Colors: Green, Black, Sky Blue, Red, Dark Blue Packaging Weight: 310g Packaging Dimensions: 21.3*10.3*3.5cm Packing Content: Console, Charging Cable Packaging instructions