Electric Toothbrush Heads Replacement Compatible for X1 X3 X3U X5(Pink)

- Replacement electric toothbrush heads compatible with X1, X3, X3U and X5 - Broad compatibility covers multiple models for flexible daily replacement needs - Precise fit design ensures secure attachment to the handle during use - Tool-free installation allows quick and hassle-free replacement whenever required - Compact and lightweight structure enables easy storage and convenient carrying for home and travel