U+25B6, ▶
BLACK RIGHT-POINTING TRIANGLE

[U+25B5]
Geometric Shapes
[U+25B7]
Presentations of ▶︎
Text
style
Emoji
style
▶︎ ▶️
Note: Character's appearance
may be different on each system.
Text style is forced with ︎
and emoji style with ️

Emoji