【Perfect Compatibility】: Compatible With Oral b IO 2/3/4/5/6/7/8/9/10 Series Electric Toothbrush, and each toothbrush head wears a hygienic cap. 【High-quality Bristles for Gum Care】: The bristles are carefully crafted to be soft and comfortable, gently caring for your gums—perfect for users with sensitive gums—ensuring an enjoyable brushing experience.
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