Emoji: 🅾️ Copy Emoji Name: O button (blood type) Emoji Hex Code: U+1F17E U+FE0F Emoji Relative Keywords: blood type , O , O button (blood type) Emoji Category: 🏧Symbols & 🔠alphanum Emoji Version: Emoji 1.0 Unicode Version: Unicode 8.0 Emoji Added At: 2015-06-09 Emoji Skin Tone: default Emoji Hair & Bear: Emoji Used Times On Twitter: 716