Code point
U+2B3D
Glyph appearance depends on your fonts.
U+2B3D
SmU+2B3D LEFTWARDS TWO-HEADED ARROW WITH TAIL WITH DOUBLE VERTICAL STROKE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Symbols and Arrows block.
Choose the representation you need, then copy its value.
U+2B3D
11069
⬽
⬽
E2 AC BD
2B3D
00002B3D
%E2%AC%BD
\u2B3D
\u2B3D
\u2B3D
\2B3D