Description OS: Linux2.6, Processor: Samsung2440,Arm9 Core Hardware parameter Screen：6 inch E-ink Panel, Resolution: 800*600 Ex-function and port：5 PIN Mini USB input ,Extra Marco SD card slot Earphone port：3.5 earphone output Storage：Support insert TF card from 1GB to 8GB,SDRAM 64MB Power management：Li-Polymer Battery 3.7V,1600mAh Charging Port: 110V~240V Power Adaptor, DC5V 800ma Reading Playback Time：up to 20hrs Audio playback time：16hours Firmware parameter Music：Support MP3、WMA、APE、FLAC、AAC .WAV.OGG format music Multi play mode Photo：Support JPEG、BMP、PNG、GIF、TIFF pictures E-book：Support PDF、CHM、EPUB 、TXT、HTML、RTF、PDB、DJVU、IW44、FB2、PRC、MOBI、TCR、 Language：Simply Chinese, English, Russian ,France, German and so on Features * Energy saving and environmental protection: Keep 20H for once charge * Protect eyesight: support long time reading, without blinking, font scaling easily, not to hurt the eyes. Curly books, enjoy reading * Hard light reading: Based on the e-ink electronic paper display technology, it will not be reflective under sunlight, you may fully enjoy outdoor reading * Without radiation: Safety to use, avoid radiation damage to the body as general electronic products. It is your healthy reading partner Accessories Earphone：USB(5PIN)cable Charger：warranty card user manual Product Size: L*W*H：185*122*9.5mm Weight：228.8g