3PCSCompatible for Xiaomi Mijia T300 T500 Sonic Electric Toothbrush Head Teethbrush Replacement Heads Acoustic

- Includes 3 replacement heads; practical quantity for short-term use or emergency backups, meeting daily needs.? - Fits T300/T500 sonic electric toothbrushes; ensures proper compatibility with the specified models.? - Designed as acoustic (sonic) toothbrush heads; works with sonic electric toothbrushes for regular use.? - Easy to install; no extra tools required, convenient to replace old or worn brush heads.? - Suitable for daily oral care; serves as a practical replacement accessory for compatible sonic toothbrushes.