Mobi - CHM is perhaps the only e-reader which supports the CHM 
file format. Ebooks are available in PDF format also and some of websites provides booklet in 
various formats like Audio textbook so it becomes more easy to understand 
these books. For long time of Mobile Reading, Eink screen display with 
paper books, do not hurt the eye, light can read and 
standby time super and no radiation benefits, this can't match other TFT LCD screen, so when choose and buy, want to look for the Eink electronic ink, appear on the market now ebook reader some of the Li - Gui and confusing, the so-called 5 inch TFT screens six inches of "ebook", has the formidable entertainment function, can listen to music, watching movies on the Internet to play games, in fact the only magnified version of the MP4, rather than the real ebook reader.

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