External Memory: SD Card (max 2GB) Display: 3.5 Inch TFT LCD 1.6 Million Color Video Format: AVI Conversion formats: MPG 1, 2, 4 Video Resolution: 320x240 FPS (Frames per Second): 25fps Music Format: MP3, WMA, AMR, WAV, ADPCM, PCM Bit rate: 32-320Kbps Picture Format: JPEG, BMP, GIF animation photos Built in MIC Record Format: WAV Earphone Jack: 2x 3.5mm SNR (Signal to Noise Ratio): 90dB Output of earphones: 2x 10mW (16Ohm) Output of Speaker: 20mW Languages: English, Chinese, Thai, Korean, Japanese, German, Portuguese, Italian, French, Dutch, Russian USB: 2.0 System: Windows 98/SE/ME/2000/XP Power Source: Built in Rechargeable Li-ion Battery Dimension: Unit closed- 94x140x28mm (LxWxD) Other Features: Solar/ USB/ DC 5V rechargeable USB OUT for recharging devices with rechargeable batteries (digital cameras, MP4 players, mobile phones, ect) Selectable Voltage: 4.5V, 5V, 6.3V, 9V Built in high brightness LED flashlight FC/NES/GB/GBC emulator D-Pad + 4 button control Save game slots E-book with reading capacity: Will read out loud any TXT file in Chinese or English. Other Romance languages can be read, but the pronunciation will very often be incorrect MP3 Music can play while E-book is being used Photo Zoom in + out / move right + left ID3 tag + Lyric display Accessories: User Manual Earphones Extendable/ retractable USB cable Power Adapter Mini CD with Driver and Conversion Software USB OUT Line Mini USB adapter for recharging MP4/Digital Camera/ etc