Chip solution: Arm9 core (Samsung S3C2440) Grayscale: 16-level grayscale Display controller: Epson display controller Flash memory: 64MB Display: 6.0-inch E Ink Vizplex Resolution: 800 x 600 pixels Connectivity: HS USB client built-in Wi-Fi (IEEE802.11b/g) (optional) Memory card slot: SD card (up to 4GB, supports SDHC) Battery: Li-ion battery 1,700mAh Language: English, French, Russia, Dutch and German (can be customized) OS: Linux2.6 Dimensions: 128 x 178 x 9.9mm Font size changing function: 3 sizes Formats: PDF, TXT, CHM, FB2, RTF, TCR, PDB, OEB, HTM, PRC, HTML, EPUB, DJVU, IW44, IW4,DJV, MP3 (32 to 384Kbps), WMA (32 to 192kbps) Connectivity: 3.5mm stereo audio jack for earphones, USB port, no built-in speaker Accessories: USB cable, charger (power supply), user manual, case, earphones, Special features: E-books with various formats such as ASCII, UNICODE TXT, Word, PDB, Excel, and PDF are allowed, and there are such functions as zoom, interface shifting, page jumping, bookmark, auto-flip and search books, and more E-ink paper effect is very close to real papers, which provides almost 180 degrees clear vision angle Ultra-low power consumption, intelligent power management Consumes no power except when processing operations, no power consumed between 2 page turnings Perfect design like screen with super large area of 6 inches, delicate appearance, comfortable hand touch Other features: search book by filename, auto-resume and bookmarking