Original Sound Bar Remote Control for Vizio SB3821-D6. This listing is for a USED item and may have minor cosmetic blemishes and imperfections. IMPORTANT NOTE: This product is missing the battery cover!. This listing is for a USED remote control and may have minor cosmetic blemishes and imperfections. We do not offer returns on used products due to cosmetic imperfections; however, all our products are gauranteed to be fully functional.