Use 1: 1 high-definition 720x720 LCD as the main vertical screen game series, such as airplane game consoles. Double TF card system and game storage design, upgrade system without copying games. Ultra-compact and nostalgic. Use high-performance quad-core CPU, FPS runs perfectly at 60HZ. Support open source system, upgrade at , and be compatible with mainstream 64-bit 3D simulators. Model: RGB30 System: Support a variety of open source linux Compatible games: Compatible with for MAME/N64/PS/////SFC// and other simulators. Screen size: 4.0 inch OCA full fit Screen resolution: 720x720 CPU: ARM quad-core 1.8GHz high performance open source chip RAM: LPDDR4 1GB External storage: TF1-OS(Support 16GB-256GB) -Game(Support 16GB-256GB) WIFI: Built-in WIFI 5Ghz+Bluetooth Loudspeaker: Built-in 1Wx2 cavity loudspeaker Battery: Built-in 4100mA li-polymer. Input power: 5V-2A Maximum power consumption: 5W Battery life: 8 hours Charging time: 2 hours Interface: TYPE-C fast charging interface, TV HD interface, OTG-USB interface, 3.5MM earphone interface. Due to different batches, there may be differences in the appearance, color, and printing of the product, which not affect its use. This version is a 16G system card+128G game card, thank you size: 145 x 86.5 x 18mm Material: ABS colour: Blue Package Contents: 1 x Game Console 1 x Charging cable 1 x English instructions 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.