1.Multifunction, Wireless Mini QWERTY Keyboard & IR remote & Fly Mouse Combo, with USB interface receiver . Generally, this keyboard works well on smart TV. But different smart TVs have diverse systems,especially Samsung smart TV. so we can't make sure it is compatible with any system.:) Before you place order . Try the common wired keyboard and mouse on your smart TV.If the keyboard and mouse all work well, this keyboard-mouse combo can,too. 2.Built-in advanced lithium-ion battery, energy-efficient.support USB charge,when press and drag at the same time,if the mouse zes for a couple of seconds,you can use the USB extension cable on your device . You can use it for emails,to enjoy your favorite games. It is compatible with HTPC,TV BOX running Android systems 3.Innovative Shape,, elegant, Perfect for PC, Pad, Android Tv Box, Google TV Box, Xbox 360, PS3, HTPC, IPTV.Not work with the amazon fire tv stick ! 4.In any circumstance, it does a good job! 1. Press the SET button for more than 4 seconds, the yellow LED will blink once and lit. 2. Align the remote IR Light with the original remote IR Light. (note: distance less than 7cm). Then, press the key to be programmed, LED indicator will flash twice and be on, which means the key is ready for programming. 3. Press the key to be programmed in the original remote. remote LED will flash three times and be on, indicating the programming is complet