Specification: Color: Red, Yellow Screen Size: 3.0 inch IPS LCD Resolution: 320*240 CPU: ARM9 Built-In: 16GB Games: 3000 Games Built-In Dual Speakers: 1W*2 External Battery: BL-5C 1020mAh Lithium Battery Input Power: 5V/1000mA Power Consumption: 1.5W/H Battery Life: 4 Hours Charging Time: 2.5 Hours TYPE-C: Support Headphones: Standard 3.5mm System: Open Source for linux Compatible with flash system (OS) Games: Built-in porting games, compatible with GB GBC MD FC SFC GG MS WS NGP PCE FBA PS, etc. Support tens of thousands of porting games