Found the perfect backlit keyboard with touch pad for Galaxy Tab S5e (or other tablets)! : r/GalaxyTab
Amazon.com: Galaxy Tab S5e Case with Keyboard 2019 - T720 T725, PU Leather Flip Stand Case - Magnetically Detachable Wireless Keyboard Case for Samsung Galaxy Tab S5e 10.5 Inch SM-T720 SM-T725 2019,
Samsung Galaxy Tab S5e review: An Android tablet that makes sense- Tech Reviews, Firstpost
Book Cover Keyboard (Galaxy Tab S5e) | Samsung Levant
Official Samsung Galaxy Tab S5e QWERTZ Keyboard Cover Case - Black
Samsung Galaxy Tab S5e 10.5" Book Cover Keyboard EJ-FT720UBEGUJ
Amazon.com: ProCase Galaxy Tab S5e 2019 Keyboard Case T720 T725 T727, Slim Shell Lightweight Cover with Magnetically Detachable Wireless Keyboard for Galaxy Tab S5e 10.5 Inch SM-T720 (Wi-Fi) SM-T725 (LTE) -Black :
Amazon.com: Fintie Keyboard Case for Samsung Galaxy Tab S5e 10.5 2019 Model SM-T720/T725/T727,Slim Case w/Detachable Wireless Bluetooth Keyboard, 7 Color Backlit, Black : Electronics