16pcs Toothbrush HeadsCompatible for Usmile Y1/Y1S/Y1pro/Y3/Y4/Y5/P1/P3/P4/P5/P10/U1/U2/U3/U4/U2S/U3S/F2/F1 Series(16white Whitening)

- This pack includes 16pcs toothbrush heads, specially designed to fit Y1/Y1S/Y1pro/Y3/Y4/Y5/P1/P3/P4/P5/P10, U1/U2/U3/U4/U2S/U3S and F2/F1 series toothbrush models. - The 16pcs specification is ideal for family use and long-term backup, matching regular replacement cycles in daily life. - Crafted with soft bristles, they provide gentle contact that fits daily usage habits and ensures a comfortable experience. - Precision-molded to perfectly match the target series models, enabling easy installation and stable performance during use. - Lightweight and compact, the toothbrush heads are convenient to store and carry, adapting to various daily use scenarios.