O button (blood type)
O button (blood type) emoji 🅾️ is part of the Symbols and Alphanumeric Symbols emojis. On some systems it can be accessed by using :o_button_blood_type:, :o:, :o_blood: or :o2: shortcodes.
It was approved as part of Unicode in 2010 so it should be displayed properly on all devices.
Tags: Blood type, O and O button (blood type)
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