---
title: "O Button Blood Type Emoji | Free Download PNG & SVG | EmojiTwo Black"
product: "Streamline Icons, Illustrations and Elements"
url: /elements/download/o-button-blood-type--31902
canonical_url: "https://www.streamlinehq.com/elements/download/o-button-blood-type--31902"
summary: "Minimal emoji of a white O on a black rounded square. Used for blood type labels, buttons, and medical graphics."
---

# O Button Blood Type emoji

The O Button Blood Type emoji shows a white ring-shaped O centered on a black rounded square. Drawn in EmojiTwo Black’s simple, high-contrast open-source style for clear, playful digital communication. Use it for blood type references, medical information, labels, and chat messages. It belongs to EmojiTwo Black free set.

## Preview

![Minimal emoji of a white O on a black rounded square. Used for blood type labels, buttons, and medical graphics.](https://assets.streamlinehq.com/image/private/w_512,h_512,ar_1/f_auto/v1/icons/3/o-button-blood-type-fmic9bk9k2dxpimaoysj4s.png/o-button-blood-type-x0qjakwrdpny37xgemdf4.png?_a=DATAiZkSZAA0)

## Details

- **Name**: O Button Blood Type
- **Type**: Emoji
- **Set**: [EmojiTwo Black](/elements/emoji-two-black.md) — EmojiTwo is a free and open source emoji set, created by EmojiTwo.
- **Family**: [Emojis](/elements/emojis.md)
- **Category**: All Emojis › Vectors
- **Default size**: 32px
- **Pricing**: Free
- **License**: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)
- **Author**: [EmojiTwo](https://github.com/EmojiTwo)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: o, button, blood, type

## Download

- [Download O Button Blood Type on Streamline](https://www.streamlinehq.com/elements/download/o-button-blood-type--31902)

## Also available in other styles

- [O Button Blood Type — Twemoji Emoji](/elements/download/o-button-blood-type--31868.md) (Free)
- [O Button Blood Type — EmojiTwo Colors](/elements/download/o-button-blood-type--31896.md) (Free)
- [O Button Blood Type — Noto Emojis](/elements/download/o-button-blood-type--31888.md) (Free)
- [O Button Blood Type — OpenMoji Emoji](/elements/download/o-button-blood-type--31878.md) (Free)

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