1、Pocket Handheld Gaming Console: Open source for Linux system, 3.5 inch IPS OCA fully laminated HD MIPI screen with 640x480 resolution, professional gaming CPU for RK3326, 1.5HZ, 64 bit gaming system, it can easily run large 2D And some 3D games! 2、DUAL SYSTEM HANDHELD GAMING CONSOLE: Open source dual system, emulator handheld support dozens of emulators, can play multiple games, 4 L/R keys on the back of the spring, combined with bending and grip design, you can play games better. 3、3500mAh HIGH CAPACITY BATTERY: Built in 3500mAh high capacity lithium battery, super long standby time and battery life. Supports up to 6 hours of gaming time. Supports fast charging with USB Type C cable. 4、IMPROVED OTG FOLDING PORT: The retro handheld game console can be output on a large screen through the for folding line, and can also be connected to a joystick through an adapter cable to realize two player games. (Without OTG cable) 5、DUAL 3D JOYSTICK: Adult handheld game cross keys with joystick, you can choose the best combination of keys according to different games to enhance the gaming experience. Item Type: Retro Handheld Game Console Material: ABS Battery: Polymer Lithium Ion Battery (Built In), Capacity: 3500mAh Color: White CPU: for RK3326 (ARM 64bit Quad Core Cortex A35 CPU up to 1.5GHz) GPU: for Mali G31MP（520MHz） Memory: Can support 16-256G memory card(not included) RAM: DDR3L 1GB Screen: 3.5 Inch IPS Screen Screen Resolution: 640x480 Power Port: USB C OTG: Support (Without OTG Cable) Sound Port: 3.5mm Headphone Jack Speaker: Built In 8W Speaker 1 x Handheld Game Console 1 x USB Cable 1 x User Manual