Emoji shows a Japanese post office, a music note, the ampersand, and a percent sign. Icon for switching from the alphabetic to the numeric keyboard or to the keyboard with symbols or special characters.
The input symbols emoji was introduced in 2010 and released as part of the Unicode 11.0 standard. This emoji can be found under the symbols
category. Because the input symbols emoji has been around for quite some time, it should display correctly in the majority of operating systems.