E-books manuals

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List of brands for manuals category E-books
Brands Top models
Onyx                               BOOX 60 BOOX M92S BOOX i62 Nautilus BOOX i62M Other categories
Oysters                               Readme 400 Readme 700C Readme 700A Readme 100 Other categories
Orsio                               b721+ b731 Other categories
Onext                               Touch&Read 001 Touch&Read 002 Other categories