It looks like a ripoff of the reMarkable 2 eInk pad. https://remarkable.com/ I’m surprised Apple or Microsoft hasn’t made an eInk display. Btw what happened to Amazon’s Kindle DX? That was literally the pioneer in the large eInk display space but it disappeared. I miss Kindle DX https://www.amazon.com/Kindle-DX-Wireless-Reader-3G-Global/