- Upgraded L5B83G Remote: This advanced voice remote is an upgraded version of the L5B83G, designed to replace original models for Insignia and Toshiba TVs including NS-RCFNA-19, NS-RCFNA-21, CT-RC1US-19, CT-RC1US-21, and L5B83G voice remotes. - Broad Compatibility: This remote is compatible with a wide range of Fire's smart TVs and streaming devices, including Insignia, Toshiba, and Omni Series smart TVs equipped with FireOS TV. It works seamlessly with Firestick Lite, Firestick (2nd Gen and later), TV Stick 4K (1st Gen and later), TV Stick 4K Max (1st Gen and later), TV Cube (1st Gen and later), and FireOS TV (3rd Gen, Pendant Design). - Limitations: Please note, this remote is not compatible with Fire's TV (1st and 2nd Gen), TV Stick (1st Gen), Element FireOS TV Edition, Insignia HD/FHD, Hisense U6HF 4K ULED FireOS TV Series, or Echo Show 15. - Advanced Voice Control: Experience hands-free convenience with voice command functionality. Simply press the microphone button and state your request for effortless navigation. - Quick Access with Shortcuts: Access your favorite content instantly with four preset app buttons, designed for user-friendly navigation. Use Scenarios: 1. Easily switch between streaming services like Prime Video and Netflix with a simple voice command, making your viewing experience seamless. 2. Control your smart TV while cooking or multitasking; just press the microphone button to change channels or search for shows without needing to find the remote. 3. Streamline your entertainment setup by quickly launching your most-used apps directly through the shortcut buttons, saving time and enhancing your viewing experience.