eReader is a digital device which with the use of E-Ink technology--the whole point of electronic paper-based e-readers is that the display, which doesn't use a backlight, mimics the look of physical paper and is easier on the eyes than a bright, backlit LCD.
 
 
 
Specifications
 
Main display 6 inch EPD
Display controller AUO display controller
Back light no back light without no any radialization
Display size 6 inch (800x600)
Processor Xburst Core (JZ4750)
Operating system Linux
RAM Memory SDRAM 64MB
Battery Li-ION 1250mAh
Battery Life 8000 screen refresh (est. 3 months based on reading
speed of 500pages per week) 
I/O 3,5mm stereo audio jack for earphones
USB Port SD/MMC Card Reader
built-in speaker. 
Connectivity HS USB Client
Built-in WIFI (IEEE802.11b & g)(optional) Build-in 3G (optional) 
Storage Memory SD Card
Format Support PDF,TXT,CHM,HTML,EPUB
Audio format support mp3(32kbps-384kbps)
wma(32kbps-192kbps) 
Font size changing function 3 sizes
Other features search book by filename, auto-resume, bookmarking…
page number indication yes
Language English, French,Russia,Dutch,German (can be customized)
Greyscale 16 level