<ul><li>This is replacement Remote Control ND2020-J applicable for Vizio Sound Bar.</li><li>No programming or pairing needed, just install new alkaline batteries can work.</li><li>This remote have been tested before shipping out.</li><li>This is a infrared remote controller.</li><li>Package Content: 1PCS Remote Control</li></ul> PERFASCIN ND2020-J Replace Remote Control Fit for Vizio Sound Bar V21-H8 V51-H6 SB2020n-J6 V51X-J6 V21x-J8 V21d-J8 No programming or pairing needed, just install new alkaline batteries.Just install new batteries to get it work! If you have any questions, please feel free to contact us.