The RC813 TV remote control has a voice function and can replace the TCL Android smart TV remote controlThe newly upgraded RC813 voice remote control replacement part is mainly made of high-quality ABS material. The buttons are soft and have high resilience, providing a comfortable press and a particularly good feelCompatible with TCL Android TV, smart TV QLED 4K UHD and with Google Voice function(Not for TCL Fire TVs)(Not for TCL Roku TVs)Pairing: You need to install 2 AAA batteries by yourself first (not included in the supply range). Press and hold the "OK" and "Home" buttons for 2 seconds to complete the pairing.General RC813 TCL S546 R646 Mini-LED 4K UHD Smart TV 75R646 65R646 55R646 75S546 65S546 55S546 50S546 43S446 50S446 55S446 65S446 75S446 85S446 and so on.