In my use case, there is no problem converting books or disabling ads. All books are recorded from a computer. I don't read many books. Read - erased.
I hope the pictures I included give a clearer picture of my experience.
Fast Charging Made Easy with Quick Charger COMMO 20W Compact Charger USB-C
14 Review
Wi-Fi router ASUS RT-AC88U, black/red
41 Review
Get the Best Replacement Charger - 40W Chromebook Charger for Samsung 11.6" Chromebook
13 Review
14" Notebook ASUS VivoBook 14 X415EA-EB1313W 1920x1080, Intel Pentium Gold 7505 2 GHz, RAM 4 GB, DDR4, SSD 256 GB, Intel UHD Graphics, Windows 11 Home, 90NB0TT2-M00DT0, gray
30 Review