DISPLAY:3.5 inch, high-definition screen, resolution 640 * 480 pixels CPU/RAM:ATJ2273S 32bit RISC 380M DDR1/DDR2 SYSTEM:RTOS TF CARD:Supports TF card expansion, with a maximum support of 64GB ROCKER:Dual 3D Stereo Rocker CHARGE:2A Charging SIMULATOR:SFC, GBC, GBA, GB, FC, NES, MD, MAME, SMC, CPS, SMD Unique Two Button Design On The Back Support For Large Screen Support Handle Connection For Two People