System:Linux Compatible games:Compatible with Supports: ported games, PSP, PS1, N64,DC, ,ARCADE, , , GB, SFC, FC, MAME, , , , -CD, NGPC, sega32x, SMS, , and other game format Screen size:4.0 inch OCA full fit Screen resolution:720*720 CPU:RK3566 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+Bluetooth Loudspeaker:Built-in 1W*2 cavity loudspeaker Battery:Polymer lithium battery 4000mAH, lasting 8 hours Input power:5V-2A 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 product appearance, color, and printed text, which not affect the use. Colour:Black Material:plastic Package Contents: 1 x Game console 1 x Screen protector 1 x Charging cable 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.