O Button (Blood Type) Emoji to Copy, Cut and Paste 🅾
A symbol representing Blood Type O. Displayed as the letter O on a red background.
O Button (Blood Type) was approved as part of Unicode 6.0 in 2010 under the name “Negative Squared Latin Capital Letter O” and added to Emoji 1.0 in 2015.
Emoji belonging to the Symbols category. Copy and paste each Emoji both on desktop or mobile phones with no additionals apps.