Compatible for Ten Interchangeable Toothbrush Heads Compatible with X3/X3U/X5 Models of Sonic Electric Toothbrushes(10pcs Black)

- Compatible with X3/X3U/X5 sonic electric toothbrushes?interchangeable heads fit seamlessly. - Comes with 10 interchangeable heads, meeting long-term replacement needs for daily use. - Tool-free installation allows quick swapping of heads without extra tools or complex steps. - Ergonomic design conforms to oral contours, enabling comfortable and thorough use. - Reliable interchangeable options for worn heads, maintaining device’s daily utility.