portable projector B108 Technical specification 1. Display technology: LCoS (liquid crystal on silicon) Chip: 720p source decode chip 2. Projection engine: MM200 from 3M company, new RGB light source projection display technology 3. Screen resolution: 640 x 480 pixels 4. Brightness:30 lumens 5. Lamp: LED, over 20,000 hours’ lifespan 6. Projection image size (diagonal): 5 to 150 inches 7. Projection distance:40 to 450cm 8. Zoom and focus mode: manual 9. Screen aspect ratio: 4:3 10. Contrast ratio (on/off): 200:1 11. Storage: built-in 2GB 8GB storage space, Support TF/micro SD card of 128MB-2GB 12. VGA input function: support, can directly connect with computer to display 13. AV-in function: support, can project signals directly via DVD,STB, IPhone, PSP and other devices 14. USB port: high-speed USB2.0 transmission up to 4MB/S 15. Operation mode: machine button control +infrared remote control 16. Loudspeaker: built-in high-power speaker 17. Audio interface: 3.5mm audio output interface 18. Video format: MPEG4, AVI, RM, RMVB, FLV, WMV, 3PG, MP4 19. Audio format: APE,FLAC,MP3,WMA,AAC,AC3,WAV,OGG 20. Picture format: JPEG,BMP,GIF 21. Multimedia processing: Rockchips RK2706 22. Support WIN2000,WIN XP,VISTA system 23. Support the separate closure of projection function, acting as MP3/MP4 24. Support e-book reading and bookmark function 25. Support multitask function, can read e-book and listen to music simultaneously 26. power source: battery or adapter 27. Battery: built-in removable lithium-ion battery , support longtime mobile use(up to 90minutes) 28. weight:132g Size: 120*65*29mm