A. It has a dual system and is compatible with multi - emulator games. B. The Q90 is a portable joystick handheld game console, which is a good choice for travel and moments and can be carried around. C. It features a 3.0 - inch color screen display, which ensures a decent visual experience. D. It is equipped with a 3.5mm audio interface and uses a key + joystick dual - control mode, making the operation simple and convenient. E. It comes with a 64G TF card and has a maximum external expandable capacity of 128G, with 3000 built - in games. Users can choose from a variety of games. F. Product name: Handheld game console G. Model: Q90 H. Display: 3.0 - inch IPS LCD I. Resolution: 320 * 240 J. Main control: CPU ARM9 K. Storage: 64GB built - in L. Sound: Built - in dual speakers 1W * 2 M. Power supply: External battery BP - 4L 1500mAh lithium battery N. Input power: 5V/1000MA O. Power consumption: 1.5W/H P. Battery life: 6 hours Q. Charging time: 2.5 hours R. Interface: TYPE - C support S. Headset: Standard 3.5mm T. System: Linux system (os) U. The maximum external expandable capacity is 128G. V. Language switching is supported. W. It supports 12 kinds of simulators. X. It supports game archiving/file reading. Y. It supports PS1 shake game. Z. Material: ABS AA. Colour: Transparent white AB. Package Contents: 1. One game console 2. One charging cable 3. One Chinese - English manual AC. Only the above package content is included, and other products are not. AD. Note: Light reflection and different displays may cause the color of the item to be slightly different from the real thing. The measurement error is allowed to be +/- 1 - 3cm.