Compatible for SOOCAS X1 X3 X3U X5 Toothbrush Heads Replacement Teeth Brush Replacement Heads(Black 4 pcs)

- Replacement Toothbrush Heads for X1/X3/X3U/X5 Models：These replacement brush heads are compatible with X1, X3, X3U and X5 toothbrushes, designed to meet daily replacement needs. - They precisely fit all four targeted models, ensuring a secure and stable connection for daily usage. - Crafted with soft bristles, they deliver gentle contact, bringing a comfortable experience during daily use. - Easy to install without complicated operations, they enable quick replacement to save daily time. - Lightweight and compact, they are convenient to store and carry, suitable for home use and travel scenarios.