JANQI JANQI X7 Brush Heads Value Pack X2 Electric Toothbrush  (Black)

These DuPont-engineered feature bristles, which are gentle on gums yet strong enough to polish away surface stains. Made from high-quality materials, they are also easy to replace, making it simple to ensure you get the best cleaning performance out of your JANQI toothbrush. Copper-free. High-density 3D brush with GumCare+ Change your brush head every 3 months for optimal brushing performance. Change your brush head sooner if it becomes worn. Make sure to rinse bristles well after each use.