After much searching, researching and returning items this keyboard worked. I have a Samsung UN43J5200FXZA 43" Smart TV with Smart Hub and web browser. This keyboard is the only one I've found that works with the TV with no problems. Other keyboards either didn't work at all or certain keyboard functions (e.g. as a touchpad) worked not working or being recognized by Smart TV I purchased a 3ft USB extension cable that I routed from the USB port behind the TV to the bottom edge of the TV to eliminate the "behind the TV" range limitations so that the Keyboard can see the USB dongle for more range and better accuracy.The keyboard is well built and offers good tactile response and the mouse pad is sensitive enough but too sensitive.Adjust the mouse speed in the TV setup menu to finding a comfortable speed .Although the included guides aren't very helpful, let's face it, it's just a ta stature .It's not that hard to figure out the right settings.One and two finger keyboard shortcuts are very intuitive and the extra "left mouse button" in the top left corner is actually quite useful. All in all, this is a nice little wireless keyboard/mouse that works with Samsung Smart TVs as well as almost any computer with an available USB port. It should work with any smart Samsung J5200 series. WATCH TV.
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