Model: RG280V Display: 2.8 inch IPS Full Viewing Angle, Zero Distance OCA Full Fit CPU: 4770 Dual-Core 1.0GHz RAM: DDR2 512M Memory: 16GB/32GB Number Of Games: Standard 16GB Without Games, 32GB Contains 3000 Games. Function: Open Source System (Music, Video) Music Function: Support Lossless Music APE, MP3, WMA, DRM WMA, OGG, APE, FLAC, WAV, AAC (Including AAC-LC, AAC HE, AAC + V1/V2) And Other Full-Format Audio Games: Support Vibration Motor Games, Perfect Support For PS1, CPS1, CPS2, CPS3, FBA, NEOGEO, NEOGEO POCKET, GBA, GBC, GB, SFC, FC, MD, SMS, GG, Handy, MSX, PCE, WSC, POKE MINI , Transfer Games and Other 20 Formats Of Games, Game Speed 1:1, 60Hz. E-Book Function: Support PDF, TXT, RTF, DOC, HTML Speaker Function: High-Quality Stereo Speaker Battery: Polymer Lithium Ion Battery 2100mAh, Battery Life 7 Hours TF Card: Support TF Card Expansion, Up To 256GB Other Functions: With vibration motor, support 3.5mm stereo headset Display and setting of energy saving settings, display brightness, interface background and other functional attributes