✅ Specially design for Fire TV and Fire TV Stick/4K: compatible for various versions Fire TV and Fire TV Stick. | ✅ Work better than the original remote controller: More easily to input password and search programs with the backlight designed Qwerty keyboard and number key. | ✅ Easy to use:Don't need to worry about pairing issues anymore. | ✅ 100% Refund:We promise: Don't need any reason to refund for lifetime.You can contact us to ask for refund in any time if it can't work or no longer like it anymore.