Product Description Memory:1GB-2GB Display: 1.8 Inch TFT LCD 56K Color Video Format: NX-AVI Conversion formats: ASF, AVI, MPG, MPEG, WMV, DAT(VCD), ASX, RM, RMVB, VOB, MP4, MOV, 3GP Video Resolution: 160x128 FPS (Frames per Second): 20fps Music Format: MP1, MP2, MP3, WMA, WAV Bit rate: 32-192Kbps Picture Format: NX-JPEG Picture Comversion Format: BMP, GIF, ICO, TGA, PCX, WBMP, WMF, JPEG, PNG, MNG, TIFF, JBIG, PNM, PPM, PGM, RAS, JPEG-2000. Record Format: MP3 FM radio: 76.0-90.0MHz 88.0-108.0MHz (user select) Earphone Jack: 2.5 SNR (Signal to Noise Ratio): >88dB Output of earphones: 2x5mW(32Ohms) Output of Speaker: 8mW Languages: English, Korean, Chinese, Spanish, Portuguese, German, Thai USB: 2.0 high speed System: Windows 98/ ME/ 2000/ XP Mac OS 9.x/ Mac OS X Linux 2.4 and up Power Source: Built-in Rechargeable Lithium Battery Dimension: Screen 45x51x14mm (LxWxD) Other Features: Removable USB Cord stored in watch strap E-Book (Format TXT) Radio Recording Time(24Hour Clock)/Date/Day Adjustable Settings Adjustable Playing Speed ID3 Tag 7 EQ Settings Accessories: User Manual Earphones USB Cord (plugs into 2.5mm jack) Power Adapter Mini CD with Driver and Conversion Software