10pcs Replacement Toothbrush HeadsCompatible for Black Series Electric(Black)

- 10pcs Replacement Toothbrush Heads: Sufficient quantity meets daily replacement and backup needs for personal use. - Compatible with Black Series Electric Toothbrushes: Precisely designed to fit these electric models, ensuring stable connection. - Tailored for Electric Performance: Crafted to match the operation rhythm of Black Series electric toothbrushes. - Practical Update Part: Serves as a convenient replacement for your existing Black Series electric toothbrush. - Hassle-Free Installation: Snug-fit structure allows quick assembly without extra tools.