Code point
U+2BCA
Glyph appearance depends on your fonts.
U+2BCA
SoU+2BCA TOP HALF BLACK CIRCLE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Symbols and Arrows block.
Choose the representation you need, then copy its value.
U+2BCA
11210
⯊
⯊
E2 AF 8A
2BCA
00002BCA
%E2%AF%8A
\u2BCA
\u2BCA
\u2BCA
\2BCA