Viewsonic VEB620, 6", 800 x 600 pixels, epub, pdf, rtf, MP3, 2 GB, SD Viewsonic VEB620. Display diagonal: 6", Display resolution: 800 x 600 pixels. Document formats supported: epub, pdf, rtf, Audio formats supported: MP3. Internal storage capacity: 2 GB, Compatible memory cards: SD. USB connector type: Mini-USB A, Interface type: USB 2.0. Speaker power: 0.5 W https://www.techworld.com/review/ereaders/viewsonic-veb620-review-3232242/ Viewsonic's VEB620 is another entry into the emerging electronic book reader market, and offers a good feature set for anybody interesting in reading text on an electronic device.In many ways there's nothing really out of the ordinary here, the ViewSo... The ViewSonic VEB620 may not be as sexy as the iPad, if truth be told it's not as functional either, but it's cheaper and does one thing well which is display the text of eBooks. Lacking the WiFi and touchscreen bells and whistles may lead you to thin...