XRS500 Remote Control for Vizio Sound Bar S4221W-C4 S4251w-B4 SB4051-C0 No Programming or Paring Required! Install New Batteries and Works. Package Content: 1 * XRS500 Remote Control(Battery and User Manual Not Included) NOTE: If you have any problem with the item, please let us know before leaving feedback, we will do our best to solve it. XRS500 Remote Control fit for Vizio Sound Bar Soundbar Compatible with following VIZIO sound bar models: (1). 42” 5.1 Home Theater Sound Bar S4251W-B4 S5430W-C2 Soundbar Remote Control 90.76G11.003 (XRS530) S4221W-C4 S4251w-B4 S4251W S3851W-C0 S4251W-C0 VIZIO 5.1 2.1 Sound Bar Vizio S5451w-C2 S5430W-C2B S5451WC2 S5451W-C2 S5451WC2NA S5451W-C2NA Soundbar Remote Control 90.76G11.003-R (XRS530) (2).54” 3.0 Home Theater Sound Bar S5430W-C2 (3). 42” 2.1 Home Theater Sound Bar S4221W-C4 Remote model: XRS500 This is an IR REMOTE, you just need install new battery to use; No program required; But when the display doesn't work well, please try to change a brand new battery to use. If you have any doubt with it, please contact us freely.