1. The 3.5-inch IPS full fit screen (640 * 480 resolution) ensures a good visual experience. 2. It comes with 16G system card and 128GB game card (built-in 25000+games). Call up your memories. Support dozens of simulators, up to PSP and tens of thousands of games 3. arkos system, dual TF card system and game storage design, no need to copy to upgrade the system 4. High performance core 64Bit A53 CPU, -G31 GPU, FPS perfect 60HZ operation, support external WIFI module, support dual frequency 2.4G 5G 5. The hand is inclined to the experience design, which conforms to the control layout, and customs clearance is easier Product name: handheld game console Model: RGB20S Screen size: 3.5-inch IPS full fit Resolution: 640 * 480 resolution CPU: RK3326 core, 1.5GHz RAM:DDR3L 1GB WiFi: external WiFi, 2.4G/5G TF card slot 1: system card, supporting 16GB-256GB, including 16GB system card TF card slot 2: game card, supporting 16GB-256GB, including 128GB game card Speaker: 2W Headphone : standard 3.5mm Battery: 3500mAh lithium battery Playback time: about 8 hours Charging time: about 2 hours Charging power: 5V 2A Power consumption: 2W/h System: Linux system Simulator: support for MAME/N64/PS/////SFC/ Product size: 12 X 8.2 X 3.5cm Colour:White Material:ABS Package Contents: 1 x Game console(16G+128G) 1 x Charging cable 2 x Sticker 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.