Compatible with all Westinghouse Roku TVs. "OK" Button was updated. It works perfectly Now. WR65UX4019, WR65UT4009, WR55UX4019, WR55UT4009, WR50UX4019, WR50UT4009, WR43UX4019, WR43UT4009, WR43FX2019, WR43FT2019, WR40FX2019, WR40FT2019, WR32HX2019, WR32HT2019, WR32HX2019 WR40FX4019 WR43FX4019 WR50UX4019 WR58UX4019 WR65UX4019 And 2020 Models Not for any Roku Stick or Roku Player Box. No pairing button, No headphone jet. No Programming or Paring Needed, Pop In the Battery to get It work. Power Supply: 2X 1.5V AAA Batteries(Not Included). "OK" Button was updated. It works Now. Compatible with Westinghouse roku tv ( all model), such as WR65UX4019, WR65UT4009, WR55UX4019, WR55UT4009, WR50UX4019, WR50UT4009, WR43UX4019 WR43UT4009, WR43FX2019, WR43FT2019, WR40FX2019, WR40FT2019, WR32HX2019, WR32HT2019 Package Contain: 1 x Replacement for Westinghouse Roku TV Remote ( Not included batteries and instruction)