1. Size: 122mmx81mmx23.5mm 2. Size of screen: 3.6" Digital LCD; -Resolution: 320 x 240 pixels 3. Battery: 2500mA Polymer Built-in -battery 4. Support Format: MPEG4 (Divx, Xvid, RMP, AVI); MPEG2 (MPG, VOB); MPEG1 (MPG, DAT) JPEG; MP3, WMA, AC-3, WAV, PCM; SRT, SSA, SMI; TXT; Resolution support: 720 x 576 Adapter: 110V-220V AC input, 5V, 2.5A DC input 5. Storage Media: CF card 6. TV aspect: NTSC and PAL 7. Audio output: Built-in MiC / speaker, 8. Audio input: Linein, MIC 9. Color: silver/blue/black 10. HDD: 20G 11. OS Support: Windows98/2000/CE/XP /MAC 12. Accessories: PMP/Power adapter/Earphone/Neckband (Optional) AV cable/Line-in cable/USB data cable/Leather bag/Specification/Cotton fabric