... electronic products, and the most popular products are Digital Photo Frame, E-BOOK , MID, Advertising Player, and other Popular ... Image-display mode: slideshow, preview, zoom, rotate function.15.Adjustable brightness, contrast, saturation16.Copy files to built-in memory ... speaker (2x1W) and earphone jack 18.Unique design: various frame colors and frames19.Rotatable stand (vertical and horizontal), the ...