Code point
U+302D
A dotted circle is included to make this combining mark visible.
U+302D
MnU+302D IDEOGRAPHIC ENTERING TONE MARK is a Unicode 16.0.0 character in the Nonspacing Mark category. It belongs to the CJK Symbols and Punctuation block.
Choose the representation you need, then copy its value.
U+302D
12333
〭
〭
E3 80 AD
302D
0000302D
%E3%80%AD
\u302D
\u302D
\u302D
\302D