- Designed for Optimal Compatibility : This toothbrush head is specifically engineered for use with Bitvae D2 electric toothbrushes. With denser bristles and enhanced vibrations, it delivers a thorough and effective cleaning experience.- Hygienically Packaged : Each toothbrush head comes with a dust cover, sealed in a plastic bag, and packaged together in a paper box. This triple-layer protection prevents contamination from dust during packaging and transport, making it perfect for travel.- Safe for Your Teeth : The bristles are rounded on 95%-98% of the surface prior to packaging, ensuring gentleness while brushing. This feature protects tooth enamel from wear and tear, particularly when using high vibration settings.- Cost-Effective Solution : Dentists recommend replacing toothbrush heads every three months. This box contains 10 heads, meeting your replacement needs at a more affordable price.- Practical Use Scenarios : Ideal for daily use, these toothbrush heads are suitable for maintaining oral hygiene at home, while traveling, or as a backup during family trips. Each head ensures a professional-quality clean to support healthier teeth and gums. With focused engineering, hygienic packaging, and a commitment to dental health, this toothbrush head is your reliable choice for effective oral care.