Fujitsu's high-performance electronic paper QUADERNO FMVDP41 (Gen.2) A4 size. Offered at a bargain price as junk (usable). I purchased this used, but apparently due to a bug, the version is "9.9.99.99999", and I am unable to update it, so it is being sold as junk. Although I cannot update the version, the basic functions can be used without any problems. Personally, I don't think much functionality is added with version updates, so I think the basic functions are sufficient. It is probably the initial version released, so new features like "memorization mode" are not available. Also, there are fine scratches on the back, but I don't think they are noticeable. Otherwise, it seems relatively clean. I replaced the pen tip of the stylus with a new one. (This is the only one, so I recommend purchasing replacement tips separately.) Thank you for your consideration.