Compatible for Electric Toothbrush Heads Replacement X1 X3 X3U X5 Teeth Brush Bristle Nozzles Smart Accessory(2pcs White)

- Replacement electric toothbrush heads (bristle nozzles): designed as smart accessories for compatible electric toothbrushes, integrating key brushing components. - Compatible with X1/X3/X3U/X5 electric toothbrushes: ensure proper fit and seamless operation with these specific electric toothbrush models. - Equipped with integrated bristle nozzles: feature complete brushing structures, meeting the basic functional needs of X1/X3/X3U/X5 electric toothbrushes. - Tailored as smart electric toothbrush accessories: align with the operational requirements of compatible smart electric toothbrushes for daily oral care. - Essential X-series toothbrush parts: complement the bodies of X1/X3/X3U/X5 electric toothbrushes to maintain continuous oral hygiene during daily use.