Compatible for SOOCAS 12PCS Replacement Toothbrush Heads - X3/X3U/X5 Sonic Toothbrush Soft Bristle(12pcs Black)

- Precisely crafted to fit X3/X3U/X5 Sonic toothbrush models, ensuring a secure and seamless connection that supports stable performance during daily use. - Soft bristle texture delivers gentle contact with teeth and gums, providing comfortable cleaning without harsh friction for routine oral care. - Optimized brush head contours conform to tooth shapes, reaching hard-to-clean areas to enhance cleaning thoroughness while maintaining comfort. - 12-piece set offers ample replacement options to meet long-term use needs, reducing the hassle of frequent repurchases for consistent oral hygiene. - Tool-free installation allows quick and easy replacement, enabling hassle-free maintenance of the toothbrush with minimal effort.