For TCL Fire TVs: It works for TCL 2023, 2024 Model include: S551F Q651F Q650F Q681F S350F series. To use Voice command. Need pairing. Press and hold Vol+ + Direction Down button for 3s. Add new remote from TV setting.It is compatible with the Fire TV brands: It works for All Fire TV Series (Insignia, Toshiba, Amazon Fire TV 2-Sereis, 4-Series, Amazon Fire TV Stick / Fire TV Cube, Hisense, Panasonic), Support Voice command. Need pairing. Refer to the manual.For TCL Roku smart TVs: No Voice Command / No Voice Control for Roku TV. Support all Roku TV brands. Press and hold Vol+ and Home button for 3s to set up. Only Roku TV buttons works. Not all buttons works for Roku TV.Some TCL TV models do not support the Voice function. If your TV supports Bluetooth but came with an infrared-only remote, this remote can activate voice commandsCompatible with all Google, Android Smart TV Brands: Hisense Google Smart TV, Philips Google Smart TV, Sony-Google Smart TV. Support Voice command. Need pairing. Refer to the manual.