- Compatible with X1, X3, X3U, X5, V1, V2 sonic toothbrush handles.
- Soft round tip bristles, deeply clean plaque without hurting gums.
- Built-in dust cap to keep brush heads clean and hygienic.
- Snap-on design, easy to install and firmly fixed during vibration.
- It is recommended to replace the brush heads every 3 months for better cleaning effect.
