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

- 4pcs Toothbrush Heads Replacement: Sufficient quantity caters to daily replacement needs and provides reliable backup for personal or family use. - Compatible with X1/X3/X3U/X5: Precisely engineered to fit these toothbrush models, ensuring a secure and stable connection during use. - Practical Design for Daily Brushing: Crafted to match regular oral care habits, delivering consistent and trustworthy performance. - Ideal Toothbrush Accessories: Serve as suitable update parts for your existing X1/X3/X3U/X5 toothbrushes. - Hassle-Free Installation: Simple snap-on structure allows easy replacement without the need for extra tools or complicated steps.