Suitable for SONY TV Models: KD-43X85J, KD-50X80J, KD-55X80J, KD-65X80J, KD-75X80J, KD-85X80J, XR-55A80J, XR-65A80J, XR-77A80J, XR55X90J, XR-50X90J, XR-65X90J, XR-75X90J, KD43X85J, KD50X80J, KD55X80J, KD65X80J, KD75X80J, KD85X80J, XR65A80J, XR77A80J, XR55X90J, XR50X90J, XR65X90J, XR75X90J, A80J Series, X80J Series, X85J Series, X90J Series.Please note that this SONY RMF-TX520P remote control will need to be paired (registered) to your SONY TV and connected to your Internet you if want to use the voice / microphone functions.The remote control must be registered to your SONY TV to use the microphone function.The remote control must be connected to your Internet (Wi-Fi) to use the Voice function.To register the voice remote control microphone button, press the "HOME" button and select (SETTINGS) --- (REMOTE CONTROL) ---(CONNECT via BLUETOOTH) Battery Notice: This product does not include batteries unless they are non-replaceable (internal) cells. Please ensure you have the appropriate batteries on hand before use. Country of Origin: Manufactured in China under strict quality controls to meet international safety and performance standards. Non-OEM Item: This is an aftermarket product and is not an original equipment manufacturer (OEM) unit. It is designed to be fully compatible yet offered at a more affordable price point.