The Sony RMF-TX820U Remote Control is designed for newer Sony BRAVIA Smart TVs and supports voice commands via Google Assistant. It uses both Bluetooth and IR connectivity, allowing smooth navigation and reliable control even without direct line-of-sight. The remote includes dedicated streaming buttons and works instantly with compatible TVs—only pairing is required for voice features. It typically offers a control range of around 10 meters and is widely used with XR and S-series models.