A:AnswerIf u dont add the extension it'll act funny from. 7ft away. But add the extension you should be good from 20ft away. I know this from experience. I'll type in my password on the way to the kitchen.
A:AnswerThe K400 Keyboard is built for PC connected TVs, and will not connect directly to a TV. Unfortunately, the only other Logitech TV keyboard, the K600, does not yet function with TCL brand TVs.
A:AnswerDon't know for sure. Have used them on several different brand computers in the maritime environment and they work well and seem to be dependable. Replacing them because the client lost parts. Would think that it would work with anything compatible with a regular mouse/keypad arrangement that uses USB but again, have not tried them on a TV.