- 1. Replaceable special heads for sonic electric toothbrushes, suitable for daily replacement.
- 2. Compatible with X1, X3, X3U, X5 model sonic electric toothbrushes,
- 3. Adopts soft bristle design, comfortable and convenient to use, meeting daily use needs.
- 4. Easy to understand and install, enabling quick brush head replacement.
- 5. replaceable parts, suitable for long-term and stable use with corresponding models.
