Code point
U+25EF
Glyph appearance depends on your fonts.
U+25EF
SoU+25EF LARGE CIRCLE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Geometric Shapes block.
Choose the representation you need, then copy its value.
U+25EF
9711
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E2 97 AF
25EF
000025EF
%E2%97%AF
\u25EF
\u25EF
\u25EF
\25EF