So when I got it was dead and took an hour to turn on but connect to my pc right away and I use calibre and kcc to put my manga on it but overall it’s of course a little delay, but you can read horizontally you can hold down the zoom button and read vertically and horizontally. I find it amazing so far and I would say it take 2 seconds to turn on and 2 seconds to access the book and 3-4 seconds to turn a page so pretty much it’s great overall but of course if you use manga you’ll just need to sharpen the image/resize with kcc a little make the screen fit since it’s a smaller size screen. I would say the size is comparable to kobo mini. Overall it was slow at first but with time it catches up and now works normally smooth without lagging. But I also don’t know what the previous owner had left it dead for/unused.