4PCS Usmile Children&;s Electric Toothbrush Q1/Q3/Q3S/Q4 Replacement Toothbrush Heads Soft Bristles Care Teeth DuPont Brush HeadsNOTES:suitable for Usmile Children&;s Electric Toothbrush:Q1/Q3/Q3S/Q4Features:Soft bristles to seem after children&;s gentle tooth
Vacuum packing, clear and sanitary
For oral health, it is strongly recommended to replace the comb head each three months.