1, dual system, compatible with multi-emulator games. 2,Portable Q90 joystick handheld game console. Travel and moments are great choices and can be carried with you. 3,3.0-inch color screen display. The 3.0-inch screen ensures a good visual experience. 4,With 3.5mm audio interface, key + joystick dual control mode. The operation is simple and convenient. 5,With 64G TF card,Maximum external expandable 128G,(built-in 3000 games). You can from a of games, and have . Product name: handheld game console Model: Q90 Display: 3.0 inch IPS LCD Resolution: 320 * 240 Main control: CPU ARM9 Storage: 64GB built-in Sound: built-in dual speakers 1W * 2 Power supply: external battery BP-4L 1500mAh lithium battery Input power: 5V/1000MA Power consumption: 1.5W/H Battery life: 6 hours Charging time: 2.5 hours Interface: TYPE-C support Headset: standard 3.5mm System: linux system (os) Maximum external expandable 128G. Language switching is supported. It supports 12 kinds of simulators. Support game archiving/file reading. Support PS1 shake game. Material: ABS colour: transparent white Package Contents: 1 x Game console 1 x Charging cable 1 x Chinese-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.